Update ui_extra_networks.py

update the string used to build the ID handle to replace spaces with underscore

modules/ui_extra_networks.py

@@ -94,11 +94,13 @@ class ExtraNetworksPage:
             dirs = "".join([f"<li>{x}</li>" for x in self.allowed_directories_for_previews()])
             items_html = shared.html("extra-networks-no-cards.html").format(dirs=dirs)
 
+        self_name_id = self.name.replace(" ", "_")
+
         res = f"""
-<div id='{tabname}_{self.name}_subdirs' class='extra-network-subdirs extra-network-subdirs-{view}'>
+<div id='{tabname}_{self_name_id}_subdirs' class='extra-network-subdirs extra-network-subdirs-{view}'>
 {subdirs_html}
 </div>
-<div id='{tabname}_{self.name}_cards' class='extra-network-{view}'>
+<div id='{tabname}_{self_name_id}_cards' class='extra-network-{view}'>
 {items_html}
 </div>
 """