feat: add getItemTypeWorker endpoint

Reviewed-on: #1064

@@ -0,0 +29,4 @@
+            Object.assign(myOptions, options);
+
+        if (!myOptions.transaction) {
+            tx = await Self.beginTransaction({});

@@ -0,0 +35,4 @@
+
+        try {
+            const query =
+            `SELECT DISTINCT w.id, w.firstName, w.lastName, u.name, u.nickname

@@ -0,0 +16,4 @@
+
+        const result = await models.TicketRequest.getItemTypeWorker(ctx, filter);
+
+        expect(result.length).toEqual(2);