Reproduction:
1. Install Sales, Email Marketing
2. Go to Email template by searching
3. Click the Sales: Send Quotation template and make a duplicate
4. Add empty lines in the template, till it almost reaches the end of
the page
5. Use slash command to add a Dynamic holder, and it’ll be positioned
below the page
Fix: compute the position by consider the height/width of the popover to
make sure it’ll be always in the page
opw-3373403
task-3442559
closesodoo/odoo#153969
X-original-commit: 583ef2441e6aa9a6d13f50991a0d1d3a54c31db1
Signed-off-by: Geelen Sébastien (sge) <sge@odoo.com>
Jinjiu Liu
32c77e26ff