Steps to reproduce:

1 Scenario

1. Go to operation theatre module

2. click on `OT Scheduling`

3. click on new surgical block

4. create two appointments and save

5. click on first appointment

6. click on edit

7. click `escape` button

8. click on second appointment

9. click on edit

10. click on add

2 scenario

1. Go to operation theatre module

2. click on `OT Scheduling`

3. click on new surgical block

4. create two appointments and save

5. click on first appointment

6. click on edit

7. click on cancel button

8. click on second appointment

9. click on edit

10. click on add

3 scenario

1. Go to operation theatre module

2. click on `OT Scheduling`

3. click on new surgical block

4. create two appointments and save

5. click on new surgical block

6. create two other new appointments and save

7. go to `OT Scheduling`

8. cancel/postpone first appointment of any surgical block from either Calendar view/List view

9. move second appointment of other surgical block to that surgical block

10. click on first appointment and click on edit and add/edit existing fields

11. click on add button