[FLOSS] mozprefs plugin fails silently on meta-set

[Bujuhu]

As discussed in #4555

Steps to Reproduce the Problem

$ sudo kdb mount prefs.js user:/tests/mozprefs mozprefs
# RET: 0
$ sudo kdb meta-set system:/tests/hosts somevalue a
# RET: 0  
$ sudo kdb meta-get system:/tests/hosts somevalue
Metakey not found
# RET: 2

Expected Result

Should print an error on sudo kdb mount prefs.js user:/tests/mozprefs mozprefs and return a non 0 exit code

System Information

Operating System:
Arch Linux, Kernel 5.19.13-arch1-1

kdb and plugins version

# kdb --version
KDB_VERSION: 0.9.11
SO_VERSION: 5

Relevant Source Code

mozprefs ignores all metadata other than type

libelektra/src/plugins/mozprefs/mozprefs.c

Line 210 in cf4b6f3

static void writeKey (FILE * fp, const Key * parentKey, const Key * key)

[github-actions]

I mark this stale as it did not have any activity for one year. I'll close it in two weeks if no further activity occurs. If you want it to be alive again, ping by writing a message here or create a new issue with the remainder of this issue.
Thank you for your contributions 💖

[github-actions]

I closed this now because it has been inactive for more than one year. If I closed it by mistake, please do not hesitate to reopen it or create a new issue with the remainder of this issue.
Thank you for your contributions 💖