[FIX] web: total/subtotal position in invoicing

On the invoicing, the subtotal/total element is misaligned due to the
nesting inception of groups. This commit forces to push the element to
the end (`right`) of the line.

Steps to reproduce:
* Go to Invoicing
* Select an invoice => BUG

closes odoo/odoo#101835

X-original-commit: 27119175d89fbb874967816886eced80cf4b22bb
Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>

addons/web/static/src/views/form/form_controller.scss

@@ -719,6 +719,9 @@
     // Specific style classes
     .o_inner_group.oe_subtotal_footer {
         grid-template-columns: 1fr auto;
+        &.oe_right {
+            margin-left: auto;
+        }
         @extend .oe_right;
         border-top: 1px solid $border-color;