Allow characters in indicator fields

Purpose/Overview:
It is not very common but the indicator can be a character and the implemented validation backend rules will need to be adjusted.

Requirements/Scope:
Support:
{
"fieldId": "holdings.id",
"path": "$.holdings[*].id",
"enabled": true,
"transformation": "999ff$i",
"recordType": "HOLDINGS",
"hasSameTagInItems": false
}

Approach:

Acceptance criteria:

• User can set up a mapping profile with characters in indicator fields