MM-63725 Populate multiple sidebar categories at once whenever possible (#31064)

* Remove redundant sidebar tests from TestChannelStore

* MM-63725 Refactor to split out getOrphanedSidebarChannels

* MM-63725 Populate multiple sidebar categories at once whenever possible

* Fix shadowing

server/channels/store/storetest/channel_store.go

@@ -147,13 +147,6 @@ func TestChannelStore(t *testing.T, rctx request.CTX, ss store.Store, s SqlStore
 	t.Run("ExportAllDirectChannelsDeletedChannel", func(t *testing.T) { testChannelStoreExportAllDirectChannelsDeletedChannel(t, rctx, ss, s) })
 	t.Run("GetChannelsBatchForIndexing", func(t *testing.T) { testChannelStoreGetChannelsBatchForIndexing(t, rctx, ss) })
 	t.Run("GroupSyncedChannelCount", func(t *testing.T) { testGroupSyncedChannelCount(t, rctx, ss) })
-	t.Run("CreateInitialSidebarCategories", func(t *testing.T) { testCreateInitialSidebarCategories(t, rctx, ss) })
-	t.Run("CreateSidebarCategory", func(t *testing.T) { testCreateSidebarCategory(t, rctx, ss) })
-	t.Run("GetSidebarCategory", func(t *testing.T) { testGetSidebarCategory(t, rctx, ss, s) })
-	t.Run("GetSidebarCategories", func(t *testing.T) { testGetSidebarCategories(t, rctx, ss) })
-	t.Run("UpdateSidebarCategories", func(t *testing.T) { testUpdateSidebarCategories(t, rctx, ss) })
-	t.Run("DeleteSidebarCategory", func(t *testing.T) { testDeleteSidebarCategory(t, rctx, ss, s) })
-	t.Run("UpdateSidebarChannelsByPreferences", func(t *testing.T) { testUpdateSidebarChannelsByPreferences(t, rctx, ss) })
 	t.Run("SetShared", func(t *testing.T) { testSetShared(t, rctx, ss) })
 	t.Run("GetTeamForChannel", func(t *testing.T) { testGetTeamForChannel(t, rctx, ss) })
 	t.Run("GetChannelsWithUnreadsAndWithMentions", func(t *testing.T) { testGetChannelsWithUnreadsAndWithMentions(t, rctx, ss) })