Fixes parsing error that happened when formulas of reports contained indentation (white space, end of line, tabs).
The formula was then not computed correctly and an unclear error message was thrown.
closesodoo/odoo#105028
X-original-commit: 631c1292042083a566072462aa788c6fc410925a
Signed-off-by: Olivier Colson (oco) <oco@odoo.com>