Merge 3.7 changes into master (#5679)

* Save schema version for 3.7 (#5675)

* Adding index and cache to reactinos store (#5654)

* Fix badge count for push notifications (#5672)

store/sql_upgrade.go

@@ -236,5 +236,7 @@ func UpgradeDatabaseToVersion37(sqlStore *SqlStore) {
 	if shouldPerformUpgrade(sqlStore, VERSION_3_6_0, VERSION_3_7_0) {
 		// Add EditAt column to Posts
 		sqlStore.CreateColumnIfNotExists("Posts", "EditAt", " bigint", " bigint", "0")
+
+		saveSchemaVersion(sqlStore, VERSION_3_7_0)
 	}
 }