A rate of 17.5 is wrong for standard rate purchases in Ireland.
The standard Sale and purchase VAT have an amount of 23.

closes odoo/odoo#124280

X-original-commit: 34161c52
Signed-off-by: William André (wan) <wan@odoo.com>
Signed-off-by: Daniel Kosky (dako) <dako@odoo.com>