Ability to view multiple institutions eholdings app

As a library staff member whose library is in the same tenant as other libraries
I want to be able to view other libraries eholdings apps
So that I can see what resources I maybe able to access

Requirements

• If multiple EBSCO KB credentials are setup for a tenant then display an app context menu dropdown
• Dropdown should display all eholdings app that have been setup
  • Display format <<Institution Name>> - eholdings
• The dropdown should indicate selected eholdings
• The selected eholdings should also appear in the Results list paneheader as <<Institution Name>> << Record Type>> Results OR somewhere on the UI must clearly indicate which eholdings are being viewed.

Use Context Menu app dropdown

https://github.com/folio-org/stripes-core/pull/598

Screenshot - closed dropdown

Screenshot - expanded dropdown

Screenshot - Show institution name in pane header