Fix extra space and call migrate on boot

server/ajax/task/task.go

@@ -30,7 +30,7 @@ type Task struct {
 type StrList []string
 
 func (sl StrList) MarshalJSON() ([]byte, error) {
-	s := strings.Join(sl, ", ")
+	s := strings.Join(sl, ",")
 	return json.Marshal(s)
 }
 
@@ -102,7 +102,7 @@ func (t *Task) MarshalJSON() ([]byte, error) {
 		"note":                     strings.Join(t.Note, "\n"),
 		"noteText":                 strings.Join(t.Note, "\n"),
 		"ow":                       0,
-		"tags":                     strings.Join([]string(t.Tags), ", "),
+		"tags":                     strings.Join([]string(t.Tags), ","),
 		"tags_ids":                 strings.Join([]string(tagsIds), ","),
 		"duedate":                  t.Due.Format(fullFormat),
 		"dueClass":                 "",

server/ajax/task/task_test.go

@@ -65,7 +65,7 @@ func TestJSONMarshal(t *testing.T) {
 	json.Unmarshal(b, &m)
 	if v, ok := m["tags"]; !ok {
 		t.Error(ok, m)
-	} else if v != "a, b" {
+	} else if v != "a,b" {
 		t.Error(v, m)
 	}
 }