4971 add issyncenabled toggle in messaging settings (#4995)

- Closes #4971
- Fix calendar import to take isSyncEnabled into account

packages/twenty-server/src/modules/messaging/standard-objects/message-channel.object-metadata.ts

@@ -127,6 +127,16 @@ export class MessageChannelObjectMetadata extends BaseObjectMetadata {
   })
   isContactAutoCreationEnabled: boolean;
 
+  @FieldMetadata({
+    standardId: messageChannelStandardFieldIds.isSyncEnabled,
+    type: FieldMetadataType.BOOLEAN,
+    label: 'Is Sync Enabled',
+    description: 'Is Sync Enabled',
+    icon: 'IconRefresh',
+    defaultValue: true,
+  })
+  isSyncEnabled: boolean;
+
   @FieldMetadata({
     standardId:
       messageChannelStandardFieldIds.messageChannelMessageAssociations,