Add validation for standard variable names which meets the following criteria:
- must not start with a number
- must not exceed 32 characters
- must not contain special characters except _ and %

Issue: GCP-9937
Reviewer: Chezka Camille Arevalo
Add semi-colon at the end of every moveToTopScreen() method calls.

GCP-9937

Reviewer: Chezka Camille Arevalo