Merge pull request #2747 in SNORT/snort3 from ~SBAIGAL/snort3:perf_ha to master

Merge pull request #2747 in SNORT/snort3 from ~SBAIGAL/snort3:perf_ha to master

Squashed commit of the following:

commit 8a93f67c57c000a089e52459f3f6ddd425387a28
Author: Steven Baigal (sbaigal) <sbaigal@cisco.com>
Date:   Thu Feb 18 16:31:11 2021 -0500

    stream: do not update service from appid to host attributes if nothing is changed

commit 58111934f03848ddb29be00ba9268ca93d801262
Author: Steven Baigal (sbaigal) <sbaigal@cisco.com>
Date:   Thu Feb 18 13:40:20 2021 -0500

    host_attributes: updated api to reduce use of shared_pointer

commit 678f77983e959ac97e659ceb000dd3bcb4d05baa
Author: Steven Baigal (sbaigal) <sbaigal@cisco.com>
Date:   Thu Feb 18 12:43:56 2021 -0500

    binder: use service inspector caching to improve get_gadget() performance