bug Sylius#10053 Fixed sorting path while sorting by position (filipcro)

This PR was merged into the 1.2 branch.

Discussion
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| Q               | A
| --------------- | -----
| Branch?         | 1.3
| Bug fix?        | yes
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| Related tickets |  Sylius#10051
| License         | MIT


Commits
-------

f1b9d13 Fixed sorting path while sorting by position

src/Sylius/Bundle/ShopBundle/Resources/views/Product/Index/_sorting.html.twig

@@ -7,7 +7,7 @@
 
 {% set criteria = app.request.query.get('criteria', {}) %}
 
-{% set default_path = path(route, route_parameters|merge({'criteria': criteria})) %}
+{% set default_path = path(route, route_parameters|merge({'sorting': null, 'criteria': criteria})) %}
 {% set from_a_to_z_path = path(route, route_parameters|merge({'sorting': {'name': 'asc'}, 'criteria': criteria})) %}
 {% set from_z_to_a_path = path(route, route_parameters|merge({'sorting': {'name': 'desc'}, 'criteria': criteria})) %}
 {% set oldest_first_path = path(route, route_parameters|merge({'sorting': {'createdAt': 'asc'}, 'criteria': criteria})) %}