vscode: cmake default status bar visibility

- this is important for setting the active PX4 configuration

.vscode/settings.json

@@ -15,6 +15,7 @@
         "cmake.buildDirectory": "${workspaceFolder}/build/${variant:CONFIG}",
         "cmake.configureOnOpen": true,
         "cmake.ctest.parallelJobs": 1,
+        "cmake.options.statusBarVisibility": "compact",
         "cmake.skipConfigureIfCachePresent": true,
         "cmakeExplorer.buildDir": "${workspaceFolder}/build/px4_sitl_test",
         "cmakeExplorer.parallelJobs": 1,