migrate from eslint & prettier to biome

assets/stubs/index.ts

@@ -55,7 +55,7 @@ export const pbJsonField = (maxSizeInBytes: number = 1048576) => {
         }
 
       const num = Number(val);
-      if (!isNaN(num) && isFinite(num) && val.trim() !== '')
+      if (!Number.isNaN(num) && Number.isFinite(num) && val.trim() !== '')
         return num;
 
       if (val.startsWith('"') && val.endsWith('"'))