feat(orgs): Add search bar for organization members tab page (#37347)

Resolve #37072 

<img width="1312" height="186" alt="image"
src="https://github.com/user-attachments/assets/3ca9eddb-9230-4b0d-992f-5b19e475e267"
/>

---------

Signed-off-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: bircni <bircni@icloud.com>

routers/web/org/members.go

@@ -31,10 +31,14 @@ func Members(ctx *context.Context) {
 	ctx.Data["PageIsOrgMembers"] = true
 
 	page := max(ctx.FormInt("page"), 1)
+	keyword := ctx.FormTrim("q")
+	ctx.Data["Keyword"] = keyword
 
 	opts := &organization.FindOrgMembersOpts{
-		Doer:  ctx.Doer,
-		OrgID: org.ID,
+		Doer:          ctx.Doer,
+		OrgID:         org.ID,
+		Keyword:       keyword,
+		SearchByEmail: true,
 	}
 
 	if ctx.Doer != nil {
@@ -58,9 +62,11 @@ func Members(ctx *context.Context) {
 		return
 	}
 
-	pager := context.NewPagination(total, setting.UI.MembersPagingNum, page, 5)
-	opts.ListOptions.Page = page
-	opts.ListOptions.PageSize = setting.UI.MembersPagingNum
+	pageSize := setting.UI.MembersPagingNum
+	pager := context.NewPagination(total, pageSize, page, 5)
+	pager.AddParamFromRequest(ctx.Req)
+	opts.ListOptions.Page = pager.Paginater.Current()
+	opts.ListOptions.PageSize = pageSize
 	members, membersIsPublic, err := organization.FindOrgMembers(ctx, opts)
 	if err != nil {
 		ctx.ServerError("GetMembers", err)
@@ -68,6 +74,8 @@ func Members(ctx *context.Context) {
 	}
 	ctx.Data["Page"] = pager
 	ctx.Data["Members"] = members
+	ctx.Data["MembersShown"] = len(members)
+	ctx.Data["MembersTotal"] = total
 	ctx.Data["MembersIsPublicMember"] = membersIsPublic
 	ctx.Data["MembersIsUserOrgOwner"] = organization.IsUserOrgOwner(ctx, members, org.ID)
 	ctx.Data["MembersTwoFaStatus"] = members.GetTwoFaStatus(ctx)