Plugins: Do not fail bootstrap stage if single decorate step fails (#73147)

* don't fail all if decorate step fails

* fix casing

* include err too

* cover pluginsintegration too

pkg/plugins/backendplugin/grpcplugin/grpc_plugin.go

@@ -76,7 +76,7 @@ func (p *grpcPlugin) Start(_ context.Context) error {
 
 	elevated, err := process.IsRunningWithElevatedPrivileges()
 	if err != nil {
-		p.logger.Debug("Error checking plugin process execution privilege", "err", err)
+		p.logger.Debug("Error checking plugin process execution privilege", "error", err)
 	}
 	if elevated {
 		p.logger.Warn("Plugin process is running with elevated privileges. This is not recommended")