Refine Display of edit mode (Instance, Item) - wider screen display

Purpose: Change the layout of the edit screens in Inventory instance record to use all screen width - like in the Holdings record.
See attached file.

Scenarios:

1. Scenario
   • Login to FOLIO Snapshot Stable, go to the Inventory app
   • Go to any given instance record, and click on the edit pen in upper right corner
   • The view of the instance record in edit screen will use the full screen display
2. Scenario
   • Go to any given instance record with associated holdings and item records, and click on an item record
   • When in view mode of the item record, click on the edit pen in upper right corner
   • The view of the item record in edit screen will use the full screen display