fix(core): disable doc info and backlinks in readonly mode (#6033)

close AFF-671

<img width="1422" alt="image" src="https://github.com/toeverything/AFFiNE/assets/102217452/ef80b195-3d67-4751-82d9-12973f331798">

packages/frontend/core/src/components/affine/page-properties/table.tsx

@@ -1049,7 +1049,7 @@ export const PagePropertiesTable = ({ page }: { page: Doc }) => {
   // if the given page is not in the current workspace, then we don't render anything
   // eg. when it is in history modal
 
-  if (!manager.page) {
+  if (!manager.page || manager.readonly) {
     return null;
   }
 

packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx

@@ -128,7 +128,7 @@ export const BlocksuiteDocEditor = forwardRef<
             }}
           ></div>
         ) : null}
-        {docPage ? (
+        {docPage && !page.readonly ? (
           <adapted.BiDirectionalLinkPanel doc={page} pageRoot={docPage} />
         ) : null}
       </div>