INS: Programs: effective date for program deactivation

Based on feedback provided by Institutions, they would like to be able to add deactivation effective end date for the programs. Until the date the program is inactivated, students should be able to apply to the program.

Reference: SBST - 3331

Start by reading the requested behavior in this issue and the referenced SBST-3331, then trace where program deactivation and student applications are handled. Identify the program data, application eligibility checks, and any affected user-facing flow before deciding the scope. Done means an effective end date can be set and students can apply until that date.

Written by the indexing model from the issue text.