fix(core): unexpected collection item drag event (#6443)

close TOV-785

before:

https://github.com/toeverything/AFFiNE/assets/102217452/71b563a5-7a1a-4ec5-871f-8de373742bad

packages/frontend/core/src/components/pure/workspace-slider-bar/collections/collections-list.tsx

@@ -162,6 +162,10 @@ export const CollectionSidebarNavItem = ({
         postfix={
           <div
             onClick={stopPropagation}
+            onMouseDown={e => {
+              // prevent drag
+              e.stopPropagation();
+            }}
             style={{ display: 'flex', alignItems: 'center' }}
           >
             <CollectionOperations