fix bug causing equation tags to be ignored when casting to StaticModel

6 jobs for master in 6 minutes and 54 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #12604
build_linux_32

00:00:42

passed #12605
build_linux_64

00:01:16

passed #12608
macOS
build_macOS

00:02:25

passed #12606
build_windows_32

00:01:33

passed #12607
build_windows_64

00:01:53

 
  Prepare
passed #12609
aggregate_builds

00:00:05