Relabel elements in user details Proxy section

Purpose: To display the user's name in the Proxy section of User Details, and relabel Proxy section, per UX direction.

Scenarios

1. Scenario
   • Given the View mode of User Details (aka the preview pane)
   • When displayed
   • Then the Proxy section should be labeled Proxy/Sponsor as shown in the attached wireframe
2. Scenario
   • Given the View mode of User Details (aka the preview pane)
   • When the Proxy (Proxy/Sponsor) section is expanded
   • Then the label for the Sponsors section should be changed to "<userLastName>, <userFirstName> is proxy for" as shown in the attached wireframe (comma should _not _display when only <userLastName> is populated)
3. Scenario
   • Given the View mode of User Details (aka the preview pane)
   • When the Proxy (Proxy/Sponsor) section is expanded
   • Then the label for the Proxy section should be changed to "<userLastName>, <userFirstName> is sponsor of" as shown in the attached wireframe (comma should _not _display when only <userLastName> is populated)
4. Scenario
   • Given the Edit mode of User details
   • When displayed
   • Then the Proxy section should be labeled Proxy/Sponsor as shown in the attached wireframe
5. Scenario
   • Given the Edit mode of User details
   • When the Proxy (Proxy/Sponsor) section is expanded
   • Then the label for the Sponsors section should be changed to "<userLastName>, <userFirstName> is proxy for" as shown in the attached wireframe (comma should _not _display when only <userLastName> is populated)
6. Scenario
   • Given the Edit mode of User Details
   • When the Proxy (Proxy/Sponsor) section is expanded
   • Then the label for the Proxy section should be changed to "<userLastName>, <userFirstName> is sponsor of" as shown in the attached wireframe (comma should _not _display when only <userLastName> is populated)