Apply biome format and lint fixes

- pro/src/account.ts: cast parens (}) as T; biome-ignore on intentional
  unreachable code after fake-license shortcut
- pro/src/fsGoogleDrive.ts: let → const; missing semicolon; == → ===
  (mimeType comparison and parent lookup)
- src/misc.ts: line break on long b.buffer.slice() chain

src/misc.ts

@@ -90,7 +90,10 @@ export const mkdirpInVault = async (thePath: string, vault: Vault) => {
 export const bufferToArrayBuffer = (
   b: Buffer | Uint8Array<ArrayBuffer> | ArrayBufferView
 ) => {
-  return b.buffer.slice(b.byteOffset, b.byteOffset + b.byteLength) as ArrayBuffer;
+  return b.buffer.slice(
+    b.byteOffset,
+    b.byteOffset + b.byteLength
+  ) as ArrayBuffer;
 };
 
 /**