Fix incorrect milestone count when provide a keyword (go-gitea#25880) (…

…go-gitea#25904)

Backport go-gitea#25880 by @yp05327

You can confirm this issue in:
https://try.gitea.io/yp05327/testrepo/milestones?state=open&q=a
There's no milestone, but the count is 1.

![image](https://github.com/go-gitea/gitea/assets/18380374/25e58cee-aeeb-43c1-8ec8-6e2ec6bf1284)

Co-authored-by: yp05327 <[email protected]>

routers/web/repo/milestone.go

@@ -38,18 +38,8 @@ func Milestones(ctx *context.Context) {
  ctx.Data["PageIsMilestones"] = true
 
  isShowClosed := ctx.FormString("state") == "closed"
- stats, err := issues_model.GetMilestonesStatsByRepoCond(builder.And(builder.Eq{"id": ctx.Repo.Repository.ID}))
- if err != nil {
- ctx.ServerError("MilestoneStats", err)
- return
- }
- ctx.Data["OpenCount"] = stats.OpenCount
- ctx.Data["ClosedCount"] = stats.ClosedCount
-
  sortType := ctx.FormString("sort")
-
  keyword := ctx.FormTrim("q")
-
  page := ctx.FormInt("page")
  if page <= 1 {
  page = 1
@@ -74,6 +64,15 @@ func Milestones(ctx *context.Context) {
  ctx.ServerError("GetMilestones", err)
  return
  }
+
+ stats, err := issues_model.GetMilestonesStatsByRepoCondAndKw(builder.And(builder.Eq{"id": ctx.Repo.Repository.ID}), keyword)
+ if err != nil {
+ ctx.ServerError("GetMilestoneStats", err)
+ return
+ }
+ ctx.Data["OpenCount"] = stats.OpenCount
+ ctx.Data["ClosedCount"] = stats.ClosedCount
+
  if ctx.Repo.Repository.IsTimetrackerEnabled(ctx) {
  if err := miles.LoadTotalTrackedTimes(); err != nil {
  ctx.ServerError("LoadTotalTrackedTimes", err)