Fix model zoo script for the model zoo website

Author: oeway

public/chat/index.html

@@ -797,8 +797,8 @@ <h3 class="text-center">Welcome to BioImage.IO Chatbot</h3>
               imjoyApi = imjoy.api;
               if (assistantName === 'Melman') {
                 console.log("Loading the Model Zoo extension...")
-                const baseUrl = location.href.split('?')[0]
-                const plugin = await imjoyApi.loadPlugin(`${baseUrl}/bioimage-model-zoo-extension.imjoy.html`)
+                const baseUrl = location.origin
+                const plugin = await imjoyApi.loadPlugin(`${baseUrl}/chat/bioimage-model-zoo-extension.imjoy.html`)
                 await plugin.setup();
                 console.log("Model Zoo extension loaded.")
               }

src/bioEngine.js

@@ -195,12 +195,15 @@ export async function setupBioEngine() {
       app.addMenuItem({
         label: "🤖 BioImage.IO Chatbot",
         async callback() {
+          await api.showMessage("Loading BioImage.IO Chatbot...")
           await api.createWindow({
-            src: "https://bioimage.io/chat?disable-assistant-switch=true",
+            src: "https://bioimage.io/chat",
             name: "BioImage.IO Chatbot"
           });
+          const baseUrl = location.origin
+          await api.showMessage("Loading BioImage Model Zoo extension for the chatbot, this may take a while...")
           await app.loadPlugin(
-            "https://raw.githubusercontent.com/bioimage-io/bioimageio-chatbot/main/bioimageio_chatbot/static/bioimage-model-zoo-extension.imjoy.html"
+            `${baseUrl}/chat/bioimage-model-zoo-extension.imjoy.html`
           );
         }
       });