[FEATURE] Make changing icons more intuitive

[k26pl]

Describe the feature

Currently, after long-pressing an icon there are some options to customize it. To change icon the app icon must be pressed, and it is not very intuitive, and new users may fail to find this option.

Why would it be useful to add?

Current way of changing icons can be missed by new users

Did the feature exist in Lawnchair v2? (Play Store version)

No

Example(s)

One possibility could be adding "change app icon" above/below Hide from app drawer switch

Additional context

LawnchairLauncher/lawnicons#2368