don't hide student names while editing groups, fixes: #6283
don't hide student names while editing groups, fixes: #6283

was because the .name selector was getting both the group's
name and each person's name.

test plan:
* go to /courses/x/groups
* click pencil to edit group name
* make sure the group name title disappears but
  the student names inside of it don't

Change-Id: Ifc6a9b41eb6eab244adadab7c4e8d5e4eca02571
Reviewed-on: https://gerrit.instructure.com/8937
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Jake Sorce <c8d99c2f7cd5f432c163abcd422672b9f77550bb@instructure.com>

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