[WEB-438] fix: ai insertion behaviour (#3872)

* fixed ai insertion behaviour

* replaced all ai popover references to have similar behavior

* chore: removed debug statements

packages/editor/document-editor/src/ui/index.tsx

@@ -55,6 +55,7 @@ interface DocumentEditorProps extends IDocumentEditor {
 interface EditorHandle {
   clearEditor: () => void;
   setEditorValue: (content: string) => void;
+  setEditorValueAtCursorPosition: (content: string) => void;
 }
 
 const DocumentEditor = ({