feat: replace newline in remarks (DATEV report) (frappe#28152) (frapp…

…e#28248)

(cherry picked from commit 114028e)

Co-authored-by: Raffael Meyer <14891507+barredterra@users.noreply.github.com>

erpnext/regional/report/datev/datev.py

@@ -351,7 +351,7 @@ def run_query(filters, extra_fields, extra_joins, extra_filters, as_dict=1):
 
 			gl.posting_date as 'Belegdatum',
 			gl.voucher_no as 'Belegfeld 1',
-			LEFT(gl.remarks, 60) as 'Buchungstext',
+			REPLACE(LEFT(gl.remarks, 60), '\n', ' ') as 'Buchungstext',
 			gl.voucher_type as 'Beleginfo - Art 1',
 			gl.voucher_no as 'Beleginfo - Inhalt 1',
 			gl.against_voucher_type as 'Beleginfo - Art 2',