fix: use raw code without zero-padding, matching kyofilter_E behaviour

filter/kyofilter

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""CUPS filter for TA 3505ci - injects department account code into PostScript stream."""
+"""CUPS filter for TA 3505ci - injects department code into PostScript stream."""
 import sys
 
 
@@ -21,10 +21,7 @@ def get_account_code(options):
     code = km[2:]
     if not code.isdigit():
         return None
-    if len(code) > 8:
-        sys.stderr.write(f"kyofilter: WARNING: department code '{code}' exceeds 8 digits, ignored\n")
-        return None
-    return code.zfill(8)
+    return code  # raw digits, no zero-padding — matches kyofilter_E behaviour
 
 
 def process_stream(lines, account_code):