fix(db): make paginated database reads always require "order" option (#39017)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/repo/pushmirror.go

@@ -38,6 +38,10 @@ type PushMirrorOptions struct {
 	RemoteName string
 }
 
+func (opts PushMirrorOptions) ToOrders() string {
+	return "id"
+}
+
 func (opts PushMirrorOptions) ToConds() builder.Cond {
 	cond := builder.NewCond()
 	if opts.RepoID > 0 {
@@ -100,6 +104,10 @@ type findPushMirrorOptions struct {
 	SyncOnCommit optional.Option[bool]
 }
 
+func (opts findPushMirrorOptions) ToOrders() string {
+	return "id"
+}
+
 func (opts findPushMirrorOptions) ToConds() builder.Cond {
 	cond := builder.NewCond()
 	if opts.RepoID > 0 {