[FIX] web: settings: add spacing for fa icons

Before this commit, there was no space between the label and
the icon. It's because since [1] we doesn't have a margin-right
after labels anymore (Grid to the job).

[1] https://github.com/odoo/odoo/commit/fb629dc91df1720cb0658d3e9f946a4fda83fbd0

Closes https://github.com/odoo/odoo/pull/109102

Task-3117722

closes odoo/odoo#109821

X-original-commit: 64c5c324e86b56e59947659c8269bf355799729e
Signed-off-by: Romeo Fragomeli (rfr) <rfr@odoo.com>

addons/web/static/src/webclient/settings_form_view/settings_form_view.scss

@@ -195,6 +195,10 @@
                    max-width: map-get($grid-breakpoints, lg); // Provide a maximum container size to ensure readability
                    @include o-base-settings-horizontal-padding(0);
                    margin-bottom: 24px;
+
+                   .o_form_label + .fa, .o_form_label + .o_doc_link {
+                        margin-left: map-get($spacers, 2);
+                   }
                }
            }