Refactor team pages to react & design change (#12574)

* Rewriting team pages in react

* teams to react progress

* teams: getting team by id returns same DTO as search, needed for AvatarUrl

* teams: progress on new team pages

* fix: team test

* listing team members and removing team members now works

* teams: team member page now works

* ux: fixed adding team member issue

* refactoring TeamPicker to conform to react coding styles better

* teams: very close to being done with team page rewrite

* minor style tweak

* ux: polish to team pages

* feature: team pages in react & everything working

* fix: removed flickering when changing tabs by always rendering PageHeader

pkg/api/team.go

@@ -93,5 +93,6 @@ func GetTeamByID(c *m.ReqContext) Response {
 		return Error(500, "Failed to get Team", err)
 	}
 
+	query.Result.AvatarUrl = dtos.GetGravatarUrlWithDefault(query.Result.Email, query.Result.Name)
 	return JSON(200, &query.Result)
 }