perf(react-doctor): fix compiler-blocking patterns, raise score 72→81

Replace sync setState-in-effect with keyed remount and render-derived patterns in app, error-display, topbar-edit-modal, catalog-filters; use useCurrentTime() instead of Date.now() in hot paths; fix conditional hooks, passive scroll listeners, lodash path imports.

src/views/home/home.tsx

@@ -12,7 +12,7 @@ import useDirectoryModalStore from '../../stores/use-directory-modal-store';
 import DisclaimerModal from '../../components/disclaimer-modal';
 import DirectoryModal from '../../components/directory-modal';
 import { getBoardPath } from '../../lib/utils/route-utils';
-import { lowerCase } from 'lodash';
+import lowerCase from 'lodash/lowerCase';
 
 // https://github.com/bitsocialhq/lists/blob/master/5chan-directories.json
 

src/views/home/popular-threads-box/popular-threads-box.tsx

@@ -70,7 +70,7 @@ const PopularThreadsBox = ({ directories, subplebbits }: { directories: Director
   const { t } = useTranslation();
   const { showWorksafeContentOnly, showNsfwContentOnly } = usePopularThreadsOptionsStore();
 
-  const getFilteredSubplebbits = () => {
+  const filteredSubplebbits = useMemo(() => {
     if (showWorksafeContentOnly) {
       return subplebbits.filter((sub: Subplebbit) => {
         const directoriesEntry = directories.find((ms) => ms?.address === sub?.address);
@@ -84,9 +84,7 @@ const PopularThreadsBox = ({ directories, subplebbits }: { directories: Director
       });
     }
     return subplebbits;
-  };
-
-  const filteredSubplebbits = useMemo(getFilteredSubplebbits, [subplebbits, showWorksafeContentOnly, showNsfwContentOnly, directories]);
+  }, [subplebbits, showWorksafeContentOnly, showNsfwContentOnly, directories]);
   const { popularPosts } = usePopularPosts(filteredSubplebbits);
   const isLoading = popularPosts.length === 0;