v2.20.0: APCD Portal; Delegate Management; Common Button

Added

• FP-1759: Data Submission (#683)
• FP-1788: APCD Manage Account (#688)
• FP-1591: Add pytorch icon for pytorch resnet frontera app (#686)
• FP-1639: Delegate management (#679)

Changed

• FP-546: Use _common Button (#662)
• FP-1769: Hide empty System Monitor if there are no systems to list (#685)
• FP-1783: Editable welcome message (#684)
• FP-1760: APCD project membership (#680)
• docs(ui): less specific primary button use case (#676)

Fixed

• FP-1784: Remove user-guide link from feedback modal (#687)
• FP-1772: Allocations Modal bugfixes (#682)