[MM-32622] Remove app.WaitForChannelMembership() (#17048)

* Remove app.WaitForChannelMembership

* Fix tests

* Fix test

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

store/opentracinglayer/opentracinglayer.go

@@ -1183,7 +1183,7 @@ func (s *OpenTracingLayerChannelStore) GetGuestCount(channelID string, allowFrom
 	return result, err
 }
 
-func (s *OpenTracingLayerChannelStore) GetMember(channelID string, userId string) (*model.ChannelMember, error) {
+func (s *OpenTracingLayerChannelStore) GetMember(ctx context.Context, channelID string, userId string) (*model.ChannelMember, error) {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ChannelStore.GetMember")
 	s.Root.Store.SetContext(newCtx)
@@ -1192,7 +1192,7 @@ func (s *OpenTracingLayerChannelStore) GetMember(channelID string, userId string
 	}()
 
 	defer span.Finish()
-	result, err := s.ChannelStore.GetMember(channelID, userId)
+	result, err := s.ChannelStore.GetMember(ctx, channelID, userId)
 	if err != nil {
 		span.LogFields(spanlog.Error(err))
 		ext.Error.Set(span, true)
@@ -1232,7 +1232,7 @@ func (s *OpenTracingLayerChannelStore) GetMemberCountFromCache(channelID string)
 	return result
 }
 
-func (s *OpenTracingLayerChannelStore) GetMemberCountsByGroup(channelID string, includeTimezones bool) ([]*model.ChannelMemberCountByGroup, error) {
+func (s *OpenTracingLayerChannelStore) GetMemberCountsByGroup(ctx context.Context, channelID string, includeTimezones bool) ([]*model.ChannelMemberCountByGroup, error) {
 	origCtx := s.Root.Store.Context()
 	span, newCtx := tracing.StartSpanWithParentByContext(s.Root.Store.Context(), "ChannelStore.GetMemberCountsByGroup")
 	s.Root.Store.SetContext(newCtx)
@@ -1241,7 +1241,7 @@ func (s *OpenTracingLayerChannelStore) GetMemberCountsByGroup(channelID string,
 	}()
 
 	defer span.Finish()
-	result, err := s.ChannelStore.GetMemberCountsByGroup(channelID, includeTimezones)
+	result, err := s.ChannelStore.GetMemberCountsByGroup(ctx, channelID, includeTimezones)
 	if err != nil {
 		span.LogFields(spanlog.Error(err))
 		ext.Error.Set(span, true)