Analysis window add read-only ldsflda to "Assigned By" list

[sgkoishi]

Details

• ILSpy 7.0.0.6483-rc1
• Sample: github.com/tModLoader/tModLoader/releases

[dgrunwald]

In principle the combination ldsflda + call can end up mutating the field, if the called method mutates this. We'd need to special case System.Boolean::ToString as "known not to mutate this".