Bug 28929: Prevent flags to be sent during patron's edition

* selfreg and selfmod for OPAC
* patron's edition on staff

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Tested OPAC and staff side. Prevents mangling flags column.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

members/memberentry.pl

@@ -215,6 +215,7 @@ if ( $op eq 'insert' || $op eq 'modify' || $op eq 'save' || $op eq 'duplicate' )
 # remove keys from %newdata that is not part of patron's attributes
 {
     my @keys_to_delete = (
+        qr/^flags$/,
         qr/^BorrowerMandatoryField$/,
         qr/^category_type$/,
         qr/^check_member$/,

opac/opac-memberentry.pl

@@ -522,6 +522,7 @@ sub ParseCgiForBorrower {
     # Replace checkbox 'agreed' by datetime in gdpr_proc_consent
     $borrower{gdpr_proc_consent} = dt_from_string if  $borrower{gdpr_proc_consent} && $borrower{gdpr_proc_consent} eq 'agreed';
 
+    delete $borrower{flags};
     return %borrower;
 }