Pull request #4531: bufferlen: reset "relative" flag in module::begin method

Pull request #4531: bufferlen: reset "relative" flag in module::begin method

Merge in SNORT/snort3 from ~YVELYKOZ/snort3:bufferlen_reinit to master

Squashed commit of the following:

commit f86e73e67019cc5d99758284b68ebf89ce5b8182
Author: Yehor Velykozhon <yvelykoz@cisco.com>
Date:   Wed Nov 27 12:48:19 2024 +0200

    bufferlen: reset "relative" flag in module::begin method

commit 256ee2c838d7b44f77e7afaee64a12b86f5ad43f
Author: Yehor Velykozhon <yvelykoz@cisco.com>
Date:   Wed Nov 27 14:35:52 2024 +0200

    ips_options: update module::begin and other in several ips options