Move secrets and runners settings to actions settings (#24200)

This PR moves the secrets and runners settings to actions settings on
all settings(repo,org,user,admin) levels.

After this PR, if
[ENABLED](5e7543fcf4/custom/conf/app.example.ini (L2604))
inside `app.ini` under `[actions]` is set to `false`, the "Actions" tab
(including runners management and secrets management) will not be shown.

After, the settings under actions settings for each level:

1. Admin Level
"Runners Management"
<img width="1437" alt="Screen Shot 2023-04-26 at 14 34 20"
src="https://user-images.githubusercontent.com/17645053/234489731-15822d21-38e1-4560-8bbe-69f122376abc.png">

2. User Level
"Secrets Management"
<img width="1427" alt="Screen Shot 2023-04-26 at 14 34 30"
src="https://user-images.githubusercontent.com/17645053/234489795-68c9c0cb-24f8-4f09-95c6-458ab914c313.png">

3. Repo and Organization Levels
"Runners Management" and "Secrets Management" 
   Org:
<img width="1437" alt="Screen Shot 2023-04-26 at 14 35 07"
src="https://user-images.githubusercontent.com/17645053/234489996-f3af5ebb-d354-46ca-9087-a0b586845281.png">

<img width="1433" alt="Screen Shot 2023-04-26 at 14 35 14"
src="https://user-images.githubusercontent.com/17645053/234490004-3abf8fed-81fd-4ce2-837a-935dade1793d.png">

    Repo:
<img width="1419" alt="Screen Shot 2023-04-26 at 14 34 50"
src="https://user-images.githubusercontent.com/17645053/234489904-80c11038-4b58-462c-9d0b-8b7cf70bc2b3.png">
    
<img width="1430" alt="Screen Shot 2023-04-26 at 14 34 57"
src="https://user-images.githubusercontent.com/17645053/234489918-4e8d1fe2-9bcd-4d8a-96c1-238a8088d92e.png">

It also finished these tasks :

- [x] rename routers function "runners" to "actions", and refactor
related file names
- [x] check and modify part of the runners related functions to match
their name
- [x] Fix backend check caused by fmt check

---------

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

routers/web/admin/admin.go

@@ -113,7 +113,6 @@ func updateSystemStatus() {
 // Dashboard show admin panel dashboard
 func Dashboard(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.dashboard")
-	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminDashboard"] = true
 	ctx.Data["Stats"] = activities_model.GetStatistic()
 	ctx.Data["NeedUpdate"] = updatechecker.GetNeedUpdate()
@@ -129,7 +128,6 @@ func Dashboard(ctx *context.Context) {
 func DashboardPost(ctx *context.Context) {
 	form := web.GetForm(ctx).(*forms.AdminDashboardForm)
 	ctx.Data["Title"] = ctx.Tr("admin.dashboard")
-	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminDashboard"] = true
 	ctx.Data["Stats"] = activities_model.GetStatistic()
 	updateSystemStatus()
@@ -155,7 +153,6 @@ func DashboardPost(ctx *context.Context) {
 // Monitor show admin monitor page
 func Monitor(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.monitor")
-	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminMonitor"] = true
 	ctx.Data["Processes"], ctx.Data["ProcessCount"] = process.GetManager().Processes(false, true)
 	ctx.Data["Entries"] = cron.ListTasks()
@@ -167,7 +164,6 @@ func Monitor(ctx *context.Context) {
 // GoroutineStacktrace show admin monitor goroutines page
 func GoroutineStacktrace(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("admin.monitor")
-	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminMonitor"] = true
 
 	processStacks, processCount, goroutineCount, err := process.GetManager().ProcessStacktraces(false, false)
@@ -202,7 +198,6 @@ func Queue(ctx *context.Context) {
 		return
 	}
 	ctx.Data["Title"] = ctx.Tr("admin.monitor.queue", mq.Name)
-	ctx.Data["PageIsAdmin"] = true
 	ctx.Data["PageIsAdminMonitor"] = true
 	ctx.Data["Queue"] = mq
 	ctx.HTML(http.StatusOK, tplQueue)