Merge pull request #2940 in SNORT/snort3 from ~OSHUMEIK/snort3:trace_opts to master

Merge pull request #2940 in SNORT/snort3 from ~OSHUMEIK/snort3:trace_opts to master

Squashed commit of the following:

commit 2369f1fe6526c58ac35aa51f394526bc26a7ea46
Author: Oleksii Shumeiko <oshumeik@cisco.com>
Date:   Thu Jun 3 15:50:00 2021 +0300

    trace: place trace options under the DEBUG_MSGS macro

    Excluding:
    * trace.modules.snort.inspector_manager
    * trace.modules.wizard

    Check that option index is not out-of-bounds.
    dev_notes.txt updated.

commit 34e1b91e91cc7c973aa132bd60f4b9fc5a238d3f
Author: Oleksii Shumeiko <oshumeik@cisco.com>
Date:   Thu Jun 3 14:55:58 2021 +0300

    iec104: delete trailing spaces