reduce unnecessary re-indexing extra networks dir

Author: w-e-w

modules/ui_extra_networks.py

@@ -419,17 +419,17 @@ def create_ui(interface: gr.Blocks, unrelated_tabs, tabname):
 
     def pages_html():
         if not ui.pages_contents:
-            return refresh()
+            return create_html()
+        return ui.pages_contents
 
+    def create_html():
+        ui.pages_contents = [pg.create_html(ui.tabname) for pg in ui.stored_extra_pages]
         return ui.pages_contents
 
     def refresh():
         for pg in ui.stored_extra_pages:
             pg.refresh()
-
-        ui.pages_contents = [pg.create_html(ui.tabname) for pg in ui.stored_extra_pages]
-
-        return ui.pages_contents
+        return create_html()
 
     interface.load(fn=pages_html, inputs=[], outputs=[*ui.pages])
     button_refresh.click(fn=refresh, inputs=[], outputs=ui.pages)