Migrate to stateless app.App (#17542)

* add request context

* move initialialization to server

* use app interface instead of global app functions

* remove app context from webconn

* cleanup

* remove duplicated services

* move context to separate package

* remove finalize init method and move content to NewServer function

* restart workers and schedulers after adding license for tests

* reflect review comments

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

api4/file_test.go

@@ -1067,31 +1067,31 @@ func TestSearchFiles(t *testing.T) {
 	Client := th.Client
 
 	filename := "search for fileInfo1"
-	fileInfo1, appErr := th.App.UploadFile(data, th.BasicChannel.Id, filename)
+	fileInfo1, appErr := th.App.UploadFile(th.Context, data, th.BasicChannel.Id, filename)
 	require.Nil(t, appErr)
 	err = th.App.Srv().Store.FileInfo().AttachToPost(fileInfo1.Id, th.BasicPost.Id, th.BasicUser.Id)
 	require.NoError(t, err)
 
 	filename = "search for fileInfo2"
-	fileInfo2, appErr := th.App.UploadFile(data, th.BasicChannel.Id, filename)
+	fileInfo2, appErr := th.App.UploadFile(th.Context, data, th.BasicChannel.Id, filename)
 	require.Nil(t, appErr)
 	err = th.App.Srv().Store.FileInfo().AttachToPost(fileInfo2.Id, th.BasicPost.Id, th.BasicUser.Id)
 	require.NoError(t, err)
 
 	filename = "tagged search for fileInfo3"
-	fileInfo3, appErr := th.App.UploadFile(data, th.BasicChannel.Id, filename)
+	fileInfo3, appErr := th.App.UploadFile(th.Context, data, th.BasicChannel.Id, filename)
 	require.Nil(t, appErr)
 	err = th.App.Srv().Store.FileInfo().AttachToPost(fileInfo3.Id, th.BasicPost.Id, th.BasicUser.Id)
 	require.NoError(t, err)
 
 	filename = "tagged for fileInfo4"
-	fileInfo4, appErr := th.App.UploadFile(data, th.BasicChannel.Id, filename)
+	fileInfo4, appErr := th.App.UploadFile(th.Context, data, th.BasicChannel.Id, filename)
 	require.Nil(t, appErr)
 	err = th.App.Srv().Store.FileInfo().AttachToPost(fileInfo4.Id, th.BasicPost.Id, th.BasicUser.Id)
 	require.NoError(t, err)
 
 	archivedChannel := th.CreatePublicChannel()
-	fileInfo5, appErr := th.App.UploadFile(data, archivedChannel.Id, "tagged for fileInfo3")
+	fileInfo5, appErr := th.App.UploadFile(th.Context, data, archivedChannel.Id, "tagged for fileInfo3")
 	require.Nil(t, appErr)
 	post := &model.Post{ChannelId: archivedChannel.Id, Message: model.NewId() + "a"}
 	rpost, resp := Client.CreatePost(post)