Constructor of GridFunctionMarker no longer overwrites min/maxRef values given in the initfile

4 jobs for feature/marker in 20 minutes and 7 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #6807
debian:10 clang-6-libcpp-17

00:20:03

passed #6806
debian:10 gcc-8-17

00:14:31

passed #6808
debian:9 gcc-6-14

00:12:28

passed #6809
ubuntu:18.04 clang-6-17

00:18:24