[FIX] hr_recruitment: scope kanban record's width

Module's css rules shouldn't override globally the one from 'web'.

closes odoo/odoo#31538

Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>

addons/hr_recruitment/static/src/scss/hr_job.scss

@@ -1,11 +1,8 @@
-.o_kanban_view.o_kanban_ungrouped {
-    display: flex;
-    .o_kanban_record {
+.o_kanban_view.o_kanban_dashboard {
+    &.o_hr_recruitment_kanban.o_kanban_ungrouped .o_kanban_record {
         width: 350px;
     }
-}
 
-.o_kanban_view.o_kanban_dashboard {
     .o_recruitment_kanban_boxes {
         display: flex;
         flex-flow: row nowrap;