[FIX] crm: display only events linked to the actual opportunity

When an user clicks on the Meeting tab to open the calendar,
it should onyl display the events linked to the opportunity.

task-2665863

closes odoo/odoo#79860

X-original-commit: 5a6e6e9fdd5bc85e8c79c09ef17b63bf4b95dd39
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>

addons/crm/models/crm_lead.py

@@ -1034,6 +1034,7 @@ class Lead(models.Model):
             partner_ids.append(self.partner_id.id)
         current_opportunity_id = self.id if self.type == 'opportunity' else False
         action['context'] = {
+            'search_default_opportunity_id': current_opportunity_id,
             'default_opportunity_id': current_opportunity_id,
             'default_partner_id': self.partner_id.id,
             'default_partner_ids': partner_ids,