[PE-93] refactor: editor mentions extension (#6178)

* refactor: editor mentions

* fix: build errors

* fix: build errors

* chore: add cycle status to search endpoint response

* fix: build errors

* fix: dynamic mention content in markdown

* chore: update entity search endpoint

* style: user mention popover

* chore: edition specific mention content handler

* chore: show deactivated user for old mentions

* chore: update search entity keys

* refactor: use editor mention hook

web/ce/hooks/use-additional-editor-mention.tsx

@@ -0,0 +1,41 @@
+import { useCallback } from "react";
+// plane editor
+import { TMentionSection } from "@plane/editor";
+// plane types
+import { TSearchEntities, TSearchResponse } from "@plane/types";
+
+export type TAdditionalEditorMentionHandlerArgs = {
+  response: TSearchResponse;
+  sections: TMentionSection[];
+};
+
+export type TAdditionalParseEditorContentArgs = {
+  id: string;
+  entityType: TSearchEntities;
+};
+
+export type TAdditionalParseEditorContentReturnType =
+  | {
+      redirectionPath: string;
+      textContent: string;
+    }
+  | undefined;
+
+export const useAdditionalEditorMention = () => {
+  const updateAdditionalSections = useCallback((args: TAdditionalEditorMentionHandlerArgs) => {
+    const {} = args;
+  }, []);
+
+  const parseAdditionalEditorContent = useCallback(
+    (args: TAdditionalParseEditorContentArgs): TAdditionalParseEditorContentReturnType => {
+      const {} = args;
+      return undefined;
+    },
+    []
+  );
+
+  return {
+    updateAdditionalSections,
+    parseAdditionalEditorContent,
+  };
+};