Validation error is annoying

Bug explanation

Firstly I would like the validation error to be placed to the left like in this picture(i edited in paint)without the padding on the left.

Secondly, I would like the error message to be capped at max the line width of the input.(one line) as seen in the picture below.

if the error message is to big, then make the error message line a dropdown that opens on click or hover to show the whole message(or contained in a scrollview??)....

In any case, the issue(bug) which is very annoying, is the fact that the error message container currently has padding on the left, comes on top of other content(as seen in the first picture) instead of taking up its own space, and thus pushing the content below down.

Can this be changed in an error message container that is permanent there, but toggles visibility to collapsed if there is
no error to be shown? preferably an error message container that expands(if error message is to long)
kind of like the expanders

Version

4.8.1

L’issue ne nomme ni fichier ni test ; commencez par localiser le conteneur d’erreur de validation utilisé par les contrôles WPF du toolkit. Comparez son comportement actuel en matière de padding, de layout, de visibilité et de retour à la ligne avec les captures d’écran demandées. La tâche est terminée lorsque les messages de validation occupent leur propre espace, s’alignent sans le padding gauche indésirable et gèrent les textes longs avec un affichage extensible ou contraint, comme convenu.