Refactor tenant ORM integration (#1650)

* Refactor tenant ORM integration

* fix tests

server/src/tenant/metadata/data-source/data-source.util.ts

@@ -0,0 +1,14 @@
+/**
+ * Converts a UUID to a base 36 string.
+ * This is used to generate the schema name since hyphens from workspace uuid are not allowed in postgres schema names.
+ *
+ * @param uuid
+ * @returns
+ */
+export function uuidToBase36(uuid: string): string {
+  const hexString = uuid.replace(/-/g, '');
+  const base10Number = BigInt('0x' + hexString);
+  const base36String = base10Number.toString(36);
+
+  return base36String;
+}