Fix context filter has no effect in dashboard (#26695) (#26811)

Backport #26695

Author: yp05327

routers/web/user/home.go

@@ -156,7 +156,7 @@ func Milestones(ctx *context.Context) {
 	}
 
 	repoOpts := repo_model.SearchRepoOptions{
-		Actor:         ctxUser,
+		Actor:         ctx.Doer,
 		OwnerID:       ctxUser.ID,
 		Private:       true,
 		AllPublic:     false, // Include also all public repositories of users and public organisations
@@ -437,7 +437,7 @@ func buildIssueOverview(ctx *context.Context, unitType unit.Type) {
 	// - Team has read permission to repository.
 	repoOpts := &repo_model.SearchRepoOptions{
 		Actor:      ctx.Doer,
-		OwnerID:    ctx.Doer.ID,
+		OwnerID:    ctxUser.ID,
 		Private:    true,
 		AllPublic:  false,
 		AllLimited: false,