fix:[close #393] strip stack name of spaces

replace stack name spaces with dashes

core/subSystem.go

@@ -193,7 +193,7 @@ func (s *SubSystem) Create() error {
 	}
 
 	labels := map[string]string{
-		"stack": s.Stack.Name,
+		"stack": strings.ReplaceAll(s.Stack.Name, " ", "-"),
 		"name":  s.Name,
 	}