Almaqam-Final Phase-Web

Loading animation appears when searching multi-city flight without selecting stations.

Steps to Reproduce:

1. Go to the Home Page
2. Select Multi-City flight search
3. Do not enter any entry (From) or exit (To) stations
4. Click the Search button
5. Observe the loading animation

Expected Result:
The search should not initiate. No loading animation should appear.

Actual Result:
A loading animation appears below the Search button.