chore: upgrade TypeScript 4.9 to 5.9, ESLint 8.29 to 8.57, @typescript-eslint 5 to 7

Resolves all TS2345/TS2347/TS7006 type errors introduced by stricter TypeScript 5.x.
Fix Icons.Settings to Icons.Setting, cast account data returns, fix implicit any.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/components/upload-card/UploadCardRenderer.tsx

@@ -28,7 +28,7 @@ function PreviewImage({ fileItem }: PreviewImageProps) {
         height: toRem(152),
         filter: metadata.markedAsSpoiler ? 'blur(44px)' : undefined,
       }}
-      alt={originalFile.name}
+      alt={(originalFile as File).name}
       src={fileUrl}
     />
   );
@@ -227,7 +227,7 @@ export function UploadCardRenderer({
       }
     >
       <Text size="H6" truncate>
-        {file.name}
+        {(file as File).name}
       </Text>
       {upload.status === UploadStatus.Success && (
         <Icon style={{ color: color.Success.Main }} src={Icons.Check} size="100" />