(VADC-1441 VADC-1438 VADC-1433 VADC-1431): ada changes for VA

[ocshawn]

Link to JIRA ticket if there is one: VADC-1441 VADC-1438 VADC-1435 VADC-1433 VADC-1431

New Features

Breaking Changes

Bug Fixes

Improvements

• change top navigation structure
• add skip navigation link to data portal
• add role alertdialog to popup
• add col header to API key(s) table on profile page
• add empty alt text to 404 graphic and remove metadata from svg

Dependency updates