rotate and pitch events are fired at the same time

[cs09g]

When pitch and rotate events' added on the map, rotating the map triggers the pitch event fired.

mapbox-gl-js version:
1.4.0

browser:
Chrome 77.0.3865.90

Steps to Trigger Behavior

1. add pitch event on the map.
2. add rotate event on the map.
3. rotate the map.

Link to Demonstration

https://jsfiddle.net/cs09g/9wb6unqt/

Expected Behavior

pitch event should not be fired.

Actual Behavior

pitch and rotate events are fired at the same time.

[mourner]

Thanks for the report! Confirmed as a bug. Want to submit a PR with a fix?

[cs09g]

I'll try to fix this.