✅(frontend) add test to compare generated PDF against reference template

ensures no regression by validating PDF content matches the expected pattern

Signed-off-by: Cyril <[email protected]>

Author: Ovgodd

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to
 
 - ✨(export) enable ODT export for documents #1524
 - ✨(frontend) improve mobile UX by showing subdocs count #1540
+- ✅(e2e) add test to compare generated PDF against reference template #1648
 
 ### Fixed