fix: handle err from utils.HasRoot

Author: pkoutsovasilis

internal/pkg/agent/cmd/container_init_linux.go

@@ -34,7 +34,10 @@ var (
 // If new binary capabilities are set then the returned cmd will be not nil. Note that it is up to caller to invoke
 // the returned cmd and spawn an agent instance with all the capabilities.
 func initContainer(streams *cli.IOStreams) (shouldExit bool, err error) {
-	isRoot, _ := utils.HasRoot()
+	isRoot, err := utils.HasRoot()
+	if err != nil {
+		return true, err
+	}
 	if !skipFileCapabilities && !isRoot {
 		executable, err := os.Executable()
 		if err != nil {