[FIX]google_calendar: Fix sync calendar error v16: KeyError on entryP…

[javierjcf]

Description of the issue/feature this PR addresses:

Fyx sync with google calendar like in this v15 PR: #125788

Current behavior before PR:

Traceback (most recent call last):
  File "/odoo/src/odoo/http.py", line 643, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/odoo/src/odoo/http.py", line 301, in _handle_exception
    raise exception.with_traceback(None) from new_cause
KeyError: 'entryPointType'

Desired behavior after PR is merged:
No key Error

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[robodoo]

.