Diagnostics: Disable inapplicable checker

The `kubeConfigSymlink` checker only makes sense on Windows.

Signed-off-by: Mark Yen <mark.yen@suse.com>

Author: mook-as

pkg/rancher-desktop/main/diagnostics/kubeConfigSymlink.ts

@@ -27,7 +27,7 @@ const CheckKubeConfigSymlink: DiagnosticsChecker = {
   id:       'VERIFY_WSL_INTEGRATION_KUBECONFIG',
   category: DiagnosticsCategory.Kubernetes,
   applicable() {
-    return Promise.resolve(true);
+    return Promise.resolve(process.platform === 'win32');
   },
   async check() {
     return Promise.resolve({