TF-3671 Fix all composer interaction are blocked without network (#3682)

lib/features/composer/presentation/widgets/web/web_editor_widget.dart

@@ -119,6 +119,7 @@ class _WebEditorState extends State<WebEditorWidget> {
         shouldEnsureVisible: true,
         hint: '',
         darkMode: false,
+        cacheHTMLAssetOffline: true,
         initialText: widget.content,
         customBodyCssStyle: HtmlUtils.customCssStyleHtmlEditor(
           direction: widget.direction,

lib/features/identity_creator/presentation/identity_creator_view.dart

@@ -504,6 +504,7 @@ class IdentityCreatorView extends GetWidget<IdentityCreatorController>
         shouldEnsureVisible: true,
         hint: '',
         darkMode: false,
+        cacheHTMLAssetOffline: true,
         initialText: initContent.isEmpty ? null : initContent,
         disableDragAndDrop: true,
         spellCheck: true,

lib/features/manage_account/presentation/vacation/vacation_view.dart

@@ -480,6 +480,7 @@ class VacationView extends GetWidget<VacationController> with RichTextButtonMixi
           htmlEditorOptions: html_editor_browser.HtmlEditorOptions(
             hint: '',
             darkMode: false,
+            cacheHTMLAssetOffline: true,
             initialText: controller.vacationMessageHtmlText,
             spellCheck: true,
             customBodyCssStyle: HtmlUtils.customCssStyleHtmlEditor(direction: AppUtils.getCurrentDirection(context))