feat(core): add block and element toolbar widget custom config (#7886)

Upstreams: https://github.com/toeverything/blocksuite/pull/8001 https://github.com/toeverything/blocksuite/pull/7964

* add block/element toolbar widget config
* add `Copy link to block` to `more menu` on  block/element toolbar

<img width="376" alt="Screenshot 2024-08-16 at 16 20 08" src="https://github.com/user-attachments/assets/49b41de9-39d1-4f55-ac9b-445fe020187a">

packages/frontend/core/src/hooks/affine/use-share-url.ts

@@ -8,7 +8,7 @@ import { useCallback } from 'react';
 
 import { useActiveBlocksuiteEditor } from '../use-block-suite-editor';
 
-type UseSharingUrl = {
+export type UseSharingUrl = {
   workspaceId: string;
   pageId: string;
   shareMode?: DocMode;
@@ -20,7 +20,7 @@ type UseSharingUrl = {
 /**
  * to generate a url like https://app.affine.pro/workspace/workspaceId/docId?mode=DocMode?element=seletedBlockid#seletedBlockid
  */
-const generateUrl = ({
+export const generateUrl = ({
   workspaceId,
   pageId,
   blockIds,