Attempting to add a project to a task in Maniphest fails on Firefox on Android.
==Reproduction
# Create a new task and attempt to add a project / CC / or Assignee in Firefox on Android.
# Type a username or project into their respective areas and tap outside the area, the content inside the box with disappear.
==Bonus Points
# When adding a project / CC / or Assignee, no tooltip/suggestion box appears.