Drop `IDOrderDesc` for listing Actions task and always order by `id DESC` (#31150)

Close #31066

Just follow what `FindRunOptions` and `FindScheduleOptions` do.

models/actions/task_list.go

@@ -54,7 +54,6 @@ type FindTaskOptions struct {
 	UpdatedBefore timeutil.TimeStamp
 	StartedBefore timeutil.TimeStamp
 	RunnerID      int64
-	IDOrderDesc   bool
 }
 
 func (opts FindTaskOptions) ToConds() builder.Cond {
@@ -84,8 +83,5 @@ func (opts FindTaskOptions) ToConds() builder.Cond {
 }
 
 func (opts FindTaskOptions) ToOrders() string {
-	if opts.IDOrderDesc {
-		return "`id` DESC"
-	}
-	return ""
+	return "`id` DESC"
 }

routers/web/shared/actions/runners.go

@@ -79,9 +79,8 @@ func RunnerDetails(ctx *context.Context, page int, runnerID, ownerID, repoID int
 			Page:     page,
 			PageSize: 30,
 		},
-		Status:      actions_model.StatusUnknown, // Unknown means all
-		IDOrderDesc: true,
-		RunnerID:    runner.ID,
+		Status:   actions_model.StatusUnknown, // Unknown means all
+		RunnerID: runner.ID,
 	}
 
 	tasks, count, err := db.FindAndCount[actions_model.ActionTask](ctx, opts)