- Update version to 4.2.9.7
* Do not link jsonc if XKB is disabled
* Update Translation
* use /org/freedesktop/portal as dbus path for portal.
* use the right color for gtk2
* use a different way to suppress unused warning
* Revert "[gtk] clean up unused variable."
* iso code root should be 639-3.
* use iso-codes json file to parse the iso codes data.
* fix fall through warning
* clean up unused variable.
OBS-URL: https://build.opensuse.org/request/show/780500
OBS-URL: https://build.opensuse.org/package/show/M17N/fcitx?expand=0&rev=156
