# What this PR does
Same as https://github.com/grafana/oncall/pull/4422 but returns wait
delays as strings so it's backward-compatible with the mobile app API
calls.
## Which issue(s) this PR closes
Related to https://github.com/grafana/oncall/issues/2464
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
show up in the autogenerated release notes.
fafc336795