Re-enable quickfixes

[Bananeweizen]

f3e15909fc489de6695510b25263d065d44534cc fixed the metadata registration for markers. That also led to the module name in the marker attributes to no longer be named FooCheck, but just Foo. Therefore the marker resolution no longer matches, and the "Check" suffix needs to be removed there, too.

Looks like this after the fix:

The light bulbs (and the actual quick fixes) were missing since above commit.