[AUCT-744] iOS request condition report

[bhoggard]

I don't think I can finish this PR this week, so I'm hoping @erikdstock or @yuki24 can take it over.

[brainbicycle]

Alright this is finally ready for review:

• Adds button to request condition report on biddable lots
• Adds a feature flag for this feature (also requires change in Eigen: https://github.com/artsy/eigen/pull/3011)

Corresponding PR in reaction:

https://github.com/artsy/reaction/pull/3099

Successfully requesting a condition report

Error on requesting a condition report

Notes:

• The black background for the button loading state is not the desired behavior from palette: Slack thread. I am going to follow up with a PR there to fix this.

[artsyit]

:rocket: PR was released in v1.21.40 :rocket: