fix: bogus type guard

Author: Akos Kitta

arduino-ide-extension/src/common/protocol/boards-service.ts

@@ -644,13 +644,13 @@ export interface BoardIdentifier {
 
 export function isBoardIdentifier(arg: unknown): arg is BoardIdentifier {
   return (
-    (Boolean(arg) &&
-      typeof arg === 'object' &&
-      (<BoardIdentifier>arg).name !== undefined &&
-      typeof (<BoardIdentifier>arg).name === 'string' &&
-      (<BoardIdentifier>arg).fqbn === undefined) ||
-    ((<BoardIdentifier>arg).fqbn !== undefined &&
-      typeof (<BoardIdentifier>arg).fqbn === 'string')
+    Boolean(arg) &&
+    typeof arg === 'object' &&
+    (<BoardIdentifier>arg).name !== undefined &&
+    typeof (<BoardIdentifier>arg).name === 'string' &&
+    ((<BoardIdentifier>arg).fqbn === undefined ||
+      ((<BoardIdentifier>arg).fqbn !== undefined &&
+        typeof (<BoardIdentifier>arg).fqbn === 'string'))
   );
 }