[MM-62776] Fix search not working anymore in responsive mode. (#30041)

webapp/channels/src/components/search/search.tsx

@@ -155,6 +155,12 @@ const Search: React.FC<Props> = (props: Props): JSX.Element => {
         };
     }, [hideSearchBar, currentChannelName]);
 
+    useEffect((): void => {
+        if (isMobileView && props.isSideBarRight) {
+            handleFocus();
+        }
+    }, [isMobileView, props.isSideBarRight]);
+
     useEffect((): void => {
         if (!isMobileView) {
             setVisibleSearchHintOptions(determineVisibleSearchHintOptions(searchTerms, searchType));
@@ -280,24 +286,27 @@ const Search: React.FC<Props> = (props: Props): JSX.Element => {
     };
 
     const handleEnterKey = (e: ChangeEvent<HTMLInputElement>): void => {
-        // only prevent default-behaviour, when one of the conditions is true
-        // when both are false just submit the form (default behaviour) with
-        // `handleSubmit` function called from the `form`
-        if (indexChangedViaKeyPress && !searchType && !searchTerms) {
-            e.preventDefault();
+        e.preventDefault();
+
+        if (indexChangedViaKeyPress) {
             setKeepInputFocused(true);
-            actions.updateSearchType(highlightedSearchHintIndex === 0 ? 'messages' : 'files');
-            setHighlightedSearchHintIndex(-1);
-        } else if (indexChangedViaKeyPress) {
-            e.preventDefault();
-            setKeepInputFocused(true);
-            handleAddSearchTerm(visibleSearchHintOptions[highlightedSearchHintIndex].searchTerm);
+            if (!searchType && !searchTerms) {
+                actions.updateSearchType(highlightedSearchHintIndex === 0 ? 'messages' : 'files');
+                setHighlightedSearchHintIndex(-1);
+            } else {
+                handleAddSearchTerm(visibleSearchHintOptions[highlightedSearchHintIndex].searchTerm);
+            }
+            return;
         }
 
         if (props.isMentionSearch) {
-            e.preventDefault();
             actions.updateRhsState(RHSStates.SEARCH);
         }
+
+        handleSearch().then(() => {
+            setKeepInputFocused(false);
+            setFocused(false);
+        });
     };
 
     const handleSubmit = (e: FormEvent<HTMLFormElement>): void => {