Provide sane default config for VS Code CMake extension.

.vscode/settings.json

@@ -10,4 +10,9 @@
         "${workspaceFolder}",
     ],
     "cmake.buildDirectory": "${sourceDirectory}/builddir",
+    "cmake.autoSelectActiveFolder": false,
+    "cmake.options.advanced": {
+        "folder": { "statusBarVisibility": "visible" },
+        "variant": { "statusBarVisibility": "compact" }
+    }
 }