[FIX] web_editor: fix select with we-title

Before this commit, line height on items in a select was not applied
if the items were in a we-title tag (this is the case when using the
string attribute on we-button instead of text content).

Part of https://github.com/odoo/odoo/pull/60271
task-2312878

X-original-commit: d184004c

addons/web_editor/static/src/scss/wysiwyg_snippets.scss

@@ -850,7 +850,7 @@ body.editor_enable.editor_has_snippets {
                         flex-grow: 1;
                     }
 
-                    > div {
+                    > div, > we-title {
                         line-height: $o-we-sidebar-content-field-dropdown-item-height;
 
                         img, svg {