MM-18357: Adds pagination to team search. (#12910)

* MM-18357: Adds pagination to team search.

* MM-18357: Adds new client method for paginated requests.

* MM-18357: Adds feedback about non-supported pagination-permissions combo.

* MM-18357: Removes unnecessary conversion.

* MM-18357: Removes paginate parameter and uses nil on page and perpage instead.

app/plugin_api.go

@@ -149,7 +149,8 @@ func (api *PluginAPI) GetTeam(teamId string) (*model.Team, *model.AppError) {
 }
 
 func (api *PluginAPI) SearchTeams(term string) ([]*model.Team, *model.AppError) {
-	return api.app.SearchAllTeams(term)
+	teams, _, err := api.app.SearchAllTeams(&model.TeamSearch{Term: term})
+	return teams, err
 }
 
 func (api *PluginAPI) GetTeamByName(name string) (*model.Team, *model.AppError) {