TF-3114 Hide rich text button when focusing on Name/Bcc to text input

lib/features/identity_creator/presentation/identity_creator_controller.dart

@@ -167,6 +167,7 @@ class IdentityCreatorController extends BaseController with DragDropFileMixin im
     log('IdentityCreatorController::onInit():arguments: ${Get.arguments}');
     arguments = Get.arguments;
     _beforeReconnectManager.addListener(onBeforeReconnect);
+    _initFocusListener();
   }
 
   @override
@@ -192,6 +193,28 @@ class IdentityCreatorController extends BaseController with DragDropFileMixin im
     }
   }
 
+  void _initFocusListener() {
+    inputNameIdentityFocusNode.addListener(_onInputNameIdentityListener);
+    inputBccIdentityFocusNode.addListener(_onInputBccIdentityListener);
+  }
+
+  void _removeFocusListener() {
+    inputNameIdentityFocusNode.removeListener(_onInputNameIdentityListener);
+    inputBccIdentityFocusNode.removeListener(_onInputBccIdentityListener);
+  }
+
+  void _onInputNameIdentityListener() {
+    if (inputNameIdentityFocusNode.hasFocus && PlatformInfo.isMobile) {
+      richTextMobileTabletController?.richTextController.hideRichTextView();
+    }
+  }
+
+  void _onInputBccIdentityListener() {
+    if (inputBccIdentityFocusNode.hasFocus && PlatformInfo.isMobile) {
+      richTextMobileTabletController?.richTextController.hideRichTextView();
+    }
+  }
+
   void _checkPublicAssetCapability() {
     if (CapabilityIdentifier.jmapPublicAsset.isSupported(session!, accountId!)) {
       PublicAssetBindings(PublicAssetArguments(session!, accountId!, identity: identity)).dependencies();
@@ -243,6 +266,7 @@ class IdentityCreatorController extends BaseController with DragDropFileMixin im
   void onClose() {
     log('IdentityCreatorController::onClose():');
     isLoadSignatureCompleted = false;
+    _removeFocusListener();
     inputNameIdentityFocusNode.dispose();
     inputBccIdentityFocusNode.dispose();
     inputNameIdentityController.dispose();