Middle Search: Fix pagination (#5827)

Author: zubiden

src/components/middle/search/MiddleSearch.tsx

@@ -595,6 +595,7 @@ const MiddleSearch: FC<StateProps> = ({
             ref={containerRef}
             className={buildClassName(styles.results, 'custom-scroll')}
             items={viewportResults}
+            itemSelector={`.${RESULT_ITEM_CLASS_NAME}`}
             preloadBackwards={0}
             onLoadMore={getMore}
             onKeyDown={handleKeyDown}

src/global/actions/api/middleSearch.ts

@@ -66,10 +66,12 @@ addActionHandler('performMiddleSearch', async (global, actions, payload): Promis
   const {
     results, savedTag, type, isHashtag,
   } = currentSearch;
-  const offsetId = results?.nextOffsetId;
-  const offsetRate = results?.nextOffsetRate;
-  const offsetPeerId = results?.nextOffsetPeerId;
-  const offsetPeer = offsetPeerId ? selectChat(global, offsetPeerId) : undefined;
+  const shouldReuseParams = results?.query === query;
+
+  const offsetId = shouldReuseParams ? results?.nextOffsetId : undefined;
+  const offsetRate = shouldReuseParams ? results?.nextOffsetRate : undefined;
+  const offsetPeerId = shouldReuseParams ? results?.nextOffsetPeerId : undefined;
+  const offsetPeer = shouldReuseParams && offsetPeerId ? selectChat(global, offsetPeerId) : undefined;
 
   const shouldHaveQuery = isHashtag || !savedTag;
   if (shouldHaveQuery && !query) {