Change button insertion order and simplify loading state detection for Z.AI chatbot

Author: robertpiosik

packages/browser/src/content-scripts/send-prompt-content-script/chatbots/z-ai.ts

@@ -65,17 +65,14 @@ export const z_ai: Chatbot = {
           }
           ;(copy_button as HTMLElement).click()
         },
-        insert_button: (f, b) =>
-          f.insertBefore(b, f.children[f.children.length])
+        insert_button: (f, b) => f.insertBefore(b, f.children[0])
       })
     }
 
     observe_for_responses({
       chatbot_name: 'Z.AI',
       is_generating: () =>
-        !!document.querySelector(
-          'path[d="M2.25 12c0-5.385 4.365-9.75 9.75-9.75s9.75 4.365 9.75 9.75-4.365 9.75-9.75 9.75S2.25 17.385 2.25 12zm6-2.438c0-.724.588-1.312 1.313-1.312h4.874c.725 0 1.313.588 1.313 1.313v4.874c0 .725-.588 1.313-1.313 1.313H9.564a1.312 1.312 0 01-1.313-1.313V9.564z"]'
-        ),
+        !document.querySelector('button[id="send-message-button"]'),
       footer_selector: '.chat-assistant + div',
       add_buttons
     })