fix: correct matrix expression precedence in build workflow

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

.github/workflows/build.yml

@@ -43,7 +43,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        device: ${{ fromJSON(inputs.device == 'all' || inputs.device == '' && '["uz801","uf02"]' || format('["{0}"]', inputs.device)) }}
+        device: ${{ fromJSON((inputs.device == 'all' || inputs.device == '') && '["uz801","uf02"]' || format('["{0}"]', inputs.device)) }}
 
     steps:
     - name: Checkout