merge aolinpk/prompt into dev

修复@唤起后会删除@后面的内容，和@后有空格无法唤起的问题

Created-by: liuaolin44944
Author-id: 273396
MR-id: 4364009
Commit-by: liuaolin44944
Merged-by: GreatZP
E2E-issues: issue28
Description: feat: 修复@唤起后会删除@后面的内容，和@后有空格无法唤起的问题
https://gitcode.com/DevCloudFE/vue-devui/issues/28
![339280438-0b808733-497e-47a5-a14a-099dae203f29.gif](https://raw.gitcode.com/DevCloudFE/vue-devui/attachment/uploads/a267f63c-21a2-49aa-b23f-34faa079e0d1/339280438-0b808733-497e-47a5-a14a-099dae203f29.gif '339280438-0b808733-497e-47a5-a14a-099dae203f29.gif') 修复前
 ![339304540-6645b581-3623-47d1-9f06-78822a38c584.gif](https://raw.gitcode.com/DevCloudFE/vue-devui/attachment/uploads/c37bd079-e162-4117-af47-78e4dc9ee410/339304540-6645b581-3623-47d1-9f06-78822a38c584.gif '339304540-6645b581-3623-47d1-9f06-78822a38c584.gif') 修复后

See merge request: DevCloudFE/vue-devui!11

Author: GreatZPP

packages/devui-vue/devui/editor-md/src/composables/use-editor-md.ts

@@ -236,10 +236,6 @@ export function useEditorMd(props: EditorMdProps, ctx: SetupContext) {
       }
     }
     if (cursorHintStart > -1 && hint[0]) {
-      const spacePosition = value.lastIndexOf(' ', cursor.ch);
-      if (spacePosition > cursorHintStart) {
-        return;
-      }
       /* cursor元素将动态变更，设置settimeout保持其可以获取到值 */
       setTimeout(() => {
         showHint();