use emojis for extra network buttons

🔄 for refresh
❌ for close

modules/ui_extra_networks.py

@@ -13,6 +13,10 @@ from modules.generation_parameters_copypaste import image_from_url_text
 extra_pages = []
 allowed_dirs = set()
 
+# Using constants for these since the variation selector isn't visible.
+# Important that they exactly match script.js for tooltip to work.
+refresh_symbol = '\U0001f504'  # 🔄
+close_symbol = '\U0000274C'  # ❌
 
 def register_page(page):
     """registers extra networks page for the UI; recommend doing it in on_before_ui() callback for extensions"""
@@ -182,8 +186,8 @@ def create_ui(container, button, tabname):
                 ui.pages.append(page_elem)
 
     filter = gr.Textbox('', show_label=False, elem_id=tabname+"_extra_search", placeholder="Search...", visible=False)
-    button_refresh = gr.Button('Refresh', elem_id=tabname+"_extra_refresh")
-    button_close = gr.Button('Close', elem_id=tabname+"_extra_close")
+    button_refresh = gr.Button(refresh_symbol, elem_id=tabname+"_extra_refresh")
+    button_close = gr.Button(close_symbol, elem_id=tabname+"_extra_close")
 
     ui.button_save_preview = gr.Button('Save preview', elem_id=tabname+"_save_preview", visible=False)
     ui.preview_target_filename = gr.Textbox('Preview save filename', elem_id=tabname+"_preview_filename", visible=False)