Red border on the textarea if the message body was left empty
Red border on the textarea if the message body was left empty

Signed-off-by: emanuele <ac2faa8b943b3fcadaf05ed2541f4eebde440ed7@gmail.com>

Spuds/Elkarte,joshuaadickerson/Elkarte2,wizardaf/Elkarte,elkarte/Elkarte,Ant59/Elkarte,StealthWombat/How-to-fork-an-Elk,emanuele45/Dialogo,Ant59/Elkarte,elkarte/Elkarte,StealthWombat/How-to-fork-an-Elk,georaldc/SMF2.1,nwsw/Elkarte,interlab/Elkarte,joshuaadickerson/Elkarte2,StealthWombat/How-to-fork-an-Elk,StealthWombat/SMF2.1-more-forkery,interlab/Elkarte,wizardaf/Elkarte,elkarte/Elkarte,Spuds/Elkarte,MustafaCan/SMF2.1,joshuaadickerson/Elkarte2,nwsw/Elkarte,mkress/SMF2.1,mkress/SMF2.1,joshuaadickerson/Elkarte2,margarett/SMF2.1,emanuele45/Dialogo,emanuele45/Dialogo,wizardaf/Elkarte,MustafaCan/SMF2.1,wizardaf/Elkarte,interlab/Elkarte,margarett/SMF2.1,georaldc/SMF2.1,StealthWombat/SMF2.1-more-forkery,StealthWombat/How-to-fork-an-Elk,mkress/SMF2.1,Ant59/Elkarte,nwsw/Elkarte,Spuds/Elkarte