Add app hang rate function to dashboards

[dgbailey]

Problem Statement

Add a function for app hang rate (iOS) to dashboards.

As a mobile user I want to centralize my experience within dashboards. This metric only exists in the project overview.

Solution Brainstorm

No response

Product Area

Dashboards

[getsantry[bot]]

Auto-routing to @getsentry/product-owners-dashboards for triage ⏲️

[dgbailey]

May also just be a matter of confirming if this is available via ANR_RATE and is just a labeling issue.

[bcoe]

This issue has been added to the team's backlog 👏

[kahest]

May also just be a matter of confirming if this is available via ANR_RATE and is just a labeling issue.

anr_rate should already work. cc @philipphofmann @romtsn to confirm (quick test dashboard)

[philipphofmann]

cc @philipphofmann @romtsn to confirm

Yes, it should.