Resolve "Fix setting passthrough and other things in cli/root in every cmd execute"

See merge request !950

cli/cmd/root.go

@@ -81,7 +81,7 @@ func Execute() {
 }
 
 func init() {
-	cobra.OnInitialize(initConfig)
+	initConfig()
 
 	// add CLI global parameters
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (./.gosdnc.toml)")