Bug#793740: kwrite: spell checking does not work at all

[Bryan F. Ritter]

Having both `hspell` and `sonnet-plugins` installed will at least get rid of 
Hspell error messages.*

* On Debian 12. Didn't test if it changes/fixes/breaks anything else.
Hspell: can't open /usr/share/hspell/hebrew.wgz.sizes.
kf.sonnet.clients.hspell: HSpellDict::HSpellDict: Init failed