refactor(Inputbar): reposition MentionModelsButton for improved accessibility

- Moved MentionModelsButton to a new position within the Inputbar component for better user experience.
- Ensured consistent functionality while enhancing the layout of the input toolbar.

src/renderer/src/pages/home/Inputbar/Inputbar.tsx

@@ -716,11 +716,6 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
                 </ToolbarButton>
               </Tooltip>
               <AttachmentButton model={model} files={files} setFiles={setFiles} ToolbarButton={ToolbarButton} />
-              <MentionModelsButton
-                mentionModels={mentionModels}
-                onMentionModel={(model) => onMentionModel(model, mentionFromKeyboard)}
-                ToolbarButton={ToolbarButton}
-              />
               <Tooltip placement="top" title={t('chat.input.web_search')} arrow>
                 <ToolbarButton type="text" onClick={onEnableWebSearch}>
                   <GlobalOutlined
@@ -743,6 +738,11 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
                   ToolbarButton={ToolbarButton}
                 />
               )}
+              <MentionModelsButton
+                mentionModels={mentionModels}
+                onMentionModel={(model) => onMentionModel(model, mentionFromKeyboard)}
+                ToolbarButton={ToolbarButton}
+              />
               <Tooltip placement="top" title={t('chat.input.clear', { Command: cleanTopicShortcut })} arrow>
                 <Popconfirm
                   title={t('chat.input.clear.content')}