GraphQL: Create dedicated top-level filter for sidebar categories (#20353)

We add the excludeTeam switch to allow user to get
all sidebar categories from other teams excluding a given team.

```release-note
NONE
```

app/authorization_test.go

@@ -113,14 +113,14 @@ func TestHasPermissionToCategory(t *testing.T) {
 	session, err := th.App.CreateSession(&model.Session{UserId: th.BasicUser.Id, Props: model.StringMap{}})
 	require.Nil(t, err)
 
-	categories, err := th.App.GetSidebarCategories(th.BasicUser.Id, th.BasicTeam.Id)
+	categories, err := th.App.GetSidebarCategoriesForTeamForUser(th.BasicUser.Id, th.BasicTeam.Id)
 	require.Nil(t, err)
 
 	_, err = th.App.GetSession(session.Token)
 	require.Nil(t, err)
 	require.True(t, th.App.SessionHasPermissionToCategory(*session, th.BasicUser.Id, th.BasicTeam.Id, categories.Order[0]))
 
-	categories2, err := th.App.GetSidebarCategories(th.BasicUser2.Id, th.BasicTeam.Id)
+	categories2, err := th.App.GetSidebarCategoriesForTeamForUser(th.BasicUser2.Id, th.BasicTeam.Id)
 	require.Nil(t, err)
 	require.False(t, th.App.SessionHasPermissionToCategory(*session, th.BasicUser.Id, th.BasicTeam.Id, categories2.Order[0]))
 }