Fix 'remove alias' button in room settings (#28269)

* fixed 'remove alias' button

* fixed 'close button'

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Co-authored-by: Florian Duros <florianduros@element.io>

res/css/views/elements/_EditableItemList.pcss

@@ -18,10 +18,9 @@ Please see LICENSE files in the repository root for full details.
 .mx_EditableItem_delete {
     @mixin customisedCancelButton;
     order: 3;
-    margin-right: 5px;
     vertical-align: middle;
-    width: 14px;
-    height: 14px;
+    width: 28px;
+    height: 28px;
     background-color: $alert;
     mask-size: 100%;
 }
@@ -42,7 +41,7 @@ Please see LICENSE files in the repository root for full details.
 .mx_EditableItem_item {
     flex: auto 1 0;
     order: 1;
-    width: calc(100% - 14px); /* leave space for the remove button */
+    width: calc(100% - 28px); /* leave space for the remove button */
     overflow-x: hidden;
     text-overflow: ellipsis;
 }