Seperate minimum offering length validation between Fulltime and Partime.

[JasonCTang]

Describe the task

• Seperate minimum offering length validation between Fulltime and Partime.
• Fulltime will be 84 days and Parttime will remain at 42 days.
• Maximum will be 365 for both fulltime and partime.
• When offering is created and the days are below the minimum for the intensity, the submissions goes to pending status.

Acceptance Criteria

• Create separate constant and set to 84 days for FULLTIME.
• Change form to handle new parameters
• Change class to handle validation for both form and bulk upload.

[hellolynn-tbtb]

DEVS demod with Hugh/Josh on June 29, 2023.