Rector replaces ::class constant with FQCN in annotations

[UFTimmy]

Bug Report

Thanks for all your help and speedy fixing of issues.!

Subject	Details
Rector version	Rector dev-master@2fb3149
Installed as	composer dependency

Rector replaces ::class constant with FQCN in annotations

Note, it doesn't seem to matter what sets or Rectors I use, and Rector doesn't report what Rectors are actually making the change.

Minimal PHP Code Causing Issue

https://getrector.org/demo/ff7b303a-d4cb-4a87-a315-35ab4a7a5d92#result

Expected Behaviour

Leave the ::class constant alone.

[TomasVotruba]

Same issue as here: #3050 (comment)