feat(core): add sync paused dialog (#9135)

close AF-1932 AF-1954 AF-1953 AF-1955

Add a pop-up reminder when the workspace capacity exceeds the limit or the number of members exceeds the limit.

tests/affine-cloud/e2e/workspace.spec.ts

@@ -62,6 +62,8 @@ test('should have pagination in member list', async ({ page }) => {
 
   await page.waitForTimeout(1000);
 
+  await page.getByTestId('confirm-modal-cancel').click();
+
   const firstPageMemberItemCount = await page
     .locator('[data-testid="member-item"]')
     .count();