fix: vue 3 followup fixes (#10213)

Fixes: CW-3602,  CW-3606, CW-3605, CW-3601, CW-3603, CW-3600, CW-3598

-
[CW-3602](https://linear.app/chatwoot/issue/CW-3602/chat-list-infinite-loader-fetching-only-odd-numbered-pages)
Chat list pagination broken
-
[CW-3606](https://linear.app/chatwoot/issue/CW-3606/saving-greeting-message-is-not-working-in-inbox-settings)
Greetings message not getting saved
-
[CW-3605](https://linear.app/chatwoot/issue/CW-3605/copy-and-paste-image-attachment-not-working-in-widget)
Paste not working on widget
-
[CW-3601](https://linear.app/chatwoot/issue/CW-3601/edit-category-is-not-working-properly)
Edit category not updating
-
[CW-3603](https://linear.app/chatwoot/issue/CW-3603/delete-filter-is-not-working)
Delete filter modal not toggling
-
[CW-3600](https://linear.app/chatwoot/issue/CW-3600/portal-editor-is-not-working-properly)
Portal editor events were flaky
-
[CW-3598](https://linear.app/chatwoot/issue/CW-3598/rearrange-of-pre-chat-form-fields-throws-an-error)
Prechat form re-order bug

---------

Co-authored-by: Vishnu Narayanan <iamwishnu@gmail.com>

app/javascript/dashboard/components/widgets/WootWriter/FullEditor.vue

@@ -61,17 +61,9 @@ export default {
       plugins: [imagePastePlugin(this.handleImageUpload)],
     };
   },
-  computed: {
-    contentFromEditor() {
-      if (editorView) {
-        return ArticleMarkdownSerializer.serialize(editorView.state.doc);
-      }
-      return '';
-    },
-  },
   watch: {
     modelValue(newValue = '') {
-      if (newValue !== this.contentFromEditor) {
+      if (newValue !== this.contentFromEditor()) {
         this.reloadState();
       }
     },
@@ -96,6 +88,12 @@ export default {
     this.focusEditorInputField();
   },
   methods: {
+    contentFromEditor() {
+      if (editorView) {
+        return ArticleMarkdownSerializer.serialize(editorView.state.doc);
+      }
+      return '';
+    },
     openFileBrowser() {
       this.$refs.imageUploadInput.click();
     },
@@ -213,8 +211,8 @@ export default {
       editorView.focus();
     },
     emitOnChange() {
-      this.$emit('update:modelValue', this.contentFromEditor);
-      this.$emit('input', this.contentFromEditor);
+      this.$emit('update:modelValue', this.contentFromEditor());
+      this.$emit('input', this.contentFromEditor());
     },
     onKeyup() {
       this.$emit('keyup');