[FIX] stock_sms: Wrong function name in button

closes odoo/odoo#35922

Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/stock_sms/wizard/confirm_stock_sms_views.xml

@@ -21,7 +21,7 @@
                 <footer>
                     <button name="send_sms" type="object"
                             string="Confirm" class="oe_highlight"/>
-                    <button name="disable_send_sms" type="object"
+                    <button name="dont_send_sms" type="object"
                             string="Disable SMS" class="oe_highlight"/>
                     <button special="cancel" string="Cancel"/>
                 </footer>