fix issues

lib/models/patient/get_clinic_by_project_id_request.dart

@@ -52,7 +52,6 @@ class ClinicByProjectIdRequest {
     languageID = json['LanguageID'];
     stamp = json['stamp'];
     iPAdress = json['IPAdress'];
-    versionID = json['VersionID'];
     channel = json['Channel'];
     tokenID = json['TokenID'];
     sessionID = json['SessionID'];
@@ -67,7 +66,6 @@ class ClinicByProjectIdRequest {
     data['LanguageID'] = this.languageID;
     data['stamp'] = this.stamp;
     data['IPAdress'] = this.iPAdress;
-    data['VersionID'] = this.versionID;
     data['Channel'] = this.channel;
     data['TokenID'] = this.tokenID;
     data['SessionID'] = this.sessionID;

lib/screens/patient-sick-leave/add_patient_sick_leave_screen.dart

@@ -52,7 +52,7 @@ class _AddPatientSickLeaveScreenState extends State<AddPatientSickLeaveScreen> {
   TextEditingController _clinicController = new TextEditingController();
   TextEditingController _doctorController = new TextEditingController();
   TextEditingController _remarkController = new TextEditingController();
-  late DateTime currentDate;
+  DateTime currentDate = DateTime.now();
 
   AddSickLeaveRequest addSickLeave = AddSickLeaveRequest();
   bool isFormSubmitted = false;

lib/screens/patients/profile/referral/refer-patient-screen.dart

@@ -134,11 +134,12 @@ class _PatientMakeReferralScreenState extends State<PatientMakeReferralScreen> {
                       fontWeight: FontWeight.w700,
                       color: HexColor("#359846"),
                       onPressed: () async {
-                        setState(() async {
-                          await locator<AnalyticsService>().logEvent(
-                            eventCategory: "Refer Patient",
-                            eventAction: "Submit Refer",
-                          );
+                        await locator<AnalyticsService>().logEvent(
+                          eventCategory: "Refer Patient",
+                          eventAction: "Submit Refer",
+                        );
+                        setState(()  {
+
                           if (_referTo == null) {
                             branchError = TranslationBase.of(context).fieldRequired!;
                           } else {
@@ -298,18 +299,16 @@ class _PatientMakeReferralScreenState extends State<PatientMakeReferralScreen> {
                       usingSearch: true,
                       hintSearchText: TranslationBase.of(context).clinicSearch,
                       okText: TranslationBase.of(context).ok,
-                      okFunction: (selectedValue) {
-                        setState(() async {
-                          _selectedDoctor = null;
-                          _selectedClinic = selectedValue;
-                          GifLoaderDialogUtils.showMyDialog(context);
-                          await model
-                              .getClinicDoctors(patient, _selectedClinic['ClinicID'], _selectedBranch['facilityId'])
-                              .then((_) => GifLoaderDialogUtils.hideDialog(context));
-                          if (model.state == ViewState.ErrorLocal) {
-                            DrAppToastMsg.showErrorToast(model.error);
-                          }
-                        });
+                      okFunction: (selectedValue) async {
+                        _selectedDoctor = null;
+                        _selectedClinic = selectedValue;
+                        GifLoaderDialogUtils.showMyDialog(context);
+                        await model
+                            .getClinicDoctors(patient, _selectedClinic['ClinicID'], _selectedBranch['facilityId'])
+                            .then((_) => GifLoaderDialogUtils.hideDialog(context));
+                        if (model.state == ViewState.ErrorLocal) {
+                          DrAppToastMsg.showErrorToast(model.error);
+                        }
                       },
                     );
                     showDialog(

lib/screens/prescription/add_prescription_form.dart

@@ -110,7 +110,8 @@ class _PrescriptionFormWidgetState extends State<PrescriptionFormWidget> {
   String? frequencyError;
   String? doseTimeError;
   String? durationError;
-  String? unitError;
+  String? unitError
+  ;
   String? strengthError;
 
   late int selectedType;
@@ -484,7 +485,7 @@ class _PrescriptionFormWidgetState extends State<PrescriptionFormWidget> {
                                                       ? model
                                                           .itemMedicineListUnit[0]
                                                       : units,
-                                                  elementError: unitError!,
+                                                  elementError: unitError,
                                                   keyName: 'description',
                                                   keyId: 'parameterCode',
                                                   hintText: 'Select',
@@ -511,7 +512,7 @@ class _PrescriptionFormWidgetState extends State<PrescriptionFormWidget> {
                                                     1
                                                 ? model.itemMedicineListRoute[0]
                                                 : route,
-                                            elementError: routeError!,
+                                            elementError: routeError,
                                             keyId: 'parameterCode',
                                             keyName: 'description',
                                             okFunction: (selectedValue) {

lib/screens/prescription/prescription_text_filed.dart

@@ -7,7 +7,7 @@ import 'package:flutter/material.dart';
 
 class PrescriptionTextFiled extends StatefulWidget {
   dynamic element;
-  final String elementError;
+  final String? elementError;
   final bool? isSubmitted;
   final List<dynamic> elementList;
   final String keyName;