Fix API untuk QC: Ayu

Fix:
- modified:   src/app/api/mobile/admin/collaboration/[id]/route.ts
- modified:   src/app/api/mobile/collaboration/route.ts
- modified:   src/app/api/mobile/voting/route.ts

### No Issue

src/app/api/mobile/collaboration/route.ts

@@ -113,6 +113,7 @@ async function GET(request: Request) {
               Author: {
                 select: {
                   id: true,
+                  username: true,
                   Profile: true,
                 },
               },
@@ -141,6 +142,7 @@ async function GET(request: Request) {
           Author: {
             select: {
               id: true,
+              username: true,
               Profile: true,
             },
           },