N°4582 Align backspace behavior in selectize widgets with jQuery autocomplete one

css/backoffice/components/input/_input-select.scss

@@ -64,6 +64,8 @@ $ibo-input-select--autocomplete-item-image--border: 1px solid $ibo-color-grey-60
       color: inherit;
       border-color: $ibo-color-white-100;
       padding-left: $ibo-input-select--padding-x;
+
+      @extend %ibo-font-ral-nor-150;
     }
 
     > [data-value] {

js/extkeywidget.js

@@ -25,8 +25,10 @@ Selectize.define('custom_itop', function(aOptions) {
 					if (this.$control_input.val() === '' && !this.$activeItems.length) {
 						iIndex = this.caretPos-1;
 						if (iIndex >= 0 && iIndex < this.items.length) {
+							let sPreviousValue = this.options[this.items[iIndex]].label;
 							this.clear(true);
 							e.preventDefault();
+							this.setTextboxValue(sPreviousValue.slice(0, -1));
 							return;
 						}
 					}