[FIX] *_product_matrix: properly wait edit mode before clicking

Backport of e167f4a
And also applied to purchase.

closes odoo#49802

X-original-commit: e2672f1
Signed-off-by: Christophe Monniez (moc) <[email protected]>
Signed-off-by: Sébastien Theys (seb) <[email protected]>

Author: seb-odoo

addons/purchase_product_matrix/static/tests/tours/purchase_product_matrix_tour.js

@@ -53,6 +53,7 @@ tour.register('purchase_matrix_tour', {
     run: 'click' // Edit Sales Order.
 }, {
     trigger: 'span:contains("Matrix (PAV11, PAV22, PAV31)\nPA4: PAV41")',
+    extra_trigger: '.o_form_editable',
     run: 'click'
 }, {
     trigger: '.o_edit_product_configuration',