chore(trait): run mount only when necessary

pkg/trait/mount.go

@@ -62,8 +62,11 @@ func (t *mountTrait) Configure(e *Environment) (bool, *TraitCondition, error) {
 		}
 	}
 
-	// mount trait needs always to be executed as it will process the sources
-	return true, nil, nil
+	// mount trait needs to be executed only when it has sources attached or any trait configuration
+	return len(e.Integration.Sources()) > 0 ||
+		len(t.Configs) > 0 ||
+		len(t.Resources) > 0 ||
+		len(t.Volumes) > 0, nil, nil
 }
 
 func (t *mountTrait) Apply(e *Environment) error {