JSON files are not valid json!
A couple of the json files contain unescaped newlines, which cause the build to fail with json-glib 1.9+
[4/79] Generating subprojects/gmobile/data/gm-resources_c with a custom command
FAILED: subprojects/gmobile/data/gm-resources.c
/usr/bin/glib-compile-resources ../subprojects/gmobile/data/gmobile.gresources.xml --sourcedir ../subprojects/gmobile/data --c-name gm --internal --generate --target subprojects/gmobile/data/gm-resources.c --manual-register --dependency-file subprojects/gmobile/data/gm-resources.c.d
json-glib-format: file:///buildstream/gnome/core-deps/feedbackd.bst/subprojects/gmobile/data/devices/display-panels/oneplus,enchilada.json: error parsing file: <data>:13:1: Parse error: scanner: unterminated string constant
(json-glib-format:227): GLib-CRITICAL **: 16:39:15.205: g_close(fd:-1) failed with EBADF. This is not a valid file descriptor
../subprojects/gmobile/data/gmobile.gresources.xml: Child process exited with code 1.