fix inpatient issue

lib/screens/patients/In_patient/in_patient_screen.dart

@@ -7,6 +7,7 @@ import 'package:doctor_app_flutter/models/dashboard/get_special_clinical_care_Li
 import 'package:doctor_app_flutter/screens/base/base_view.dart';
 import 'package:doctor_app_flutter/screens/patients/In_patient/InPatientHeader.dart';
 import 'package:doctor_app_flutter/util/dr_app_toast_msg.dart';
+import 'package:doctor_app_flutter/util/helpers.dart';
 import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
 import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
 import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
@@ -50,7 +51,9 @@ class _InPatientScreenState extends State<InPatientScreen>
   }
 
   _handleTabSelection() {
+    Helpers.hideKeyboard(context);
     setState(() {
+      widget.showBottomSheet = false;
       _activeTab = _tabController.index;
     });
   }

lib/widgets/shared/text_fields/text_fields_utils.dart

@@ -46,7 +46,7 @@ class TextFieldsUtils{
         borderSide: BorderSide(color: Color(0xFFCCCCCC), width: 2.0),
         borderRadius: BorderRadius.circular(8),
       ),*/
-      hintText: selectedText != null ? selectedText : hintText,
+      hintText: selectedText != null ? selectedText : hintText??"",
       suffixIcon: Icon(suffixIcon??null, color: Colors.grey.shade600,),
 
       hintStyle: TextStyle(