Incorrect sourcetype for Modular Input

[ZachChristensen28]

Describe the bug Version 1.4.0 introduced an error that will automatically transform the modular input sourcetype to be opnsense:suricata:json.

To Reproduce Steps to reproduce the behavior: n/a

Expected behavior Not to automatically transform sourcetype to incorrect sourcetype.

Screenshots If applicable, add screenshots to help explain your problem.

Version (please complete the following information):

• Splunk Version: 8.2.0
• OPNsense Version: n/a
• OPNsense Plugin Version (if applicable): n/a
• TA-opnsense Version: 1.4.0

Additional context Add any other context about the problem here.