WysiwygWidget update and read only fields for chat

backend/chat/admin.py

@@ -12,14 +12,13 @@ from django.contrib.postgres.fields import ArrayField
 class ProductChatAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
     export_form_class = ExportForm
+    
+    readonly_fields = ('user', 'product', 'thread')
 
     compressed_fields = True
     warn_unsaved_form = True
 
     formfield_overrides = {
-        models.TextField: {
-            "widget": WysiwygWidget,
-        },
         ArrayField: {
             "widget": ArrayWidget,
         }