Dev: Update User Profile to Match Visuals (simple)

[AdamJ]

Update the User Profile section to match the following pieces from visual design story https://github.com/fabric8-ui/fabric8-ux/issues/621.

• [x] User Profile dashboard
• [x] New Cards
  • [x] My Work Items
  • [x] My Spaces
  • [x] Connected Accounts

[AdamJ]

related to https://github.com/fabric8-ui/fabric8-ux/issues/715

[AdamJ]