fix: editor not opening while adding servers from marketplace detail view

Author: ravitemer

lua/mcphub/ui/views/marketplace.lua

@@ -448,7 +448,7 @@ function MarketplaceView:setup_active_mode()
 end
 
 function MarketplaceView:open_config_editor(placeholder)
-    utils.open_server_editor()
+    utils.open_server_editor(placeholder)
 end
 
 --- Helper to find server at cursor line

lua/mcphub/utils/init.lua

@@ -508,8 +508,8 @@ function M.parse_config_from_json(text)
     return result
 end
 
-function M.open_server_editor()
-    ui_utils.multiline_input("Paste server's json config", "", function(content)
+function M.open_server_editor(placeholder)
+    ui_utils.multiline_input("Paste server's json config", placeholder or "", function(content)
         if not content or vim.trim(content) == "" then
             return
         end