FS-10225: [mod_conference] Incorrect layout chosen when playing a file in a conference with a layout group -- revert small piece

FS-10233: [mod_local_stream] mod_local_stream segfault trying to read a music file that is not open while playing a chime #resolve

FS-10225: [mod_conference] Incorrect layout chosen when playing a file in a conference with a layout group -- Edge case with file-only slots

FS-10225: [mod_conference] Incorrect layout chosen when playing a file in a conference with a layout group #resolve

Conflicts:
	src/mod/applications/mod_conference/conference_video.c

FS-10222: [freeswitch-core] add disable_audio_jb_during_passthru and disable_video_jb_during_passthru (cherry pick of aaa26c6d was messed up in git so ported manually)

Conflicts:
	src/include/switch_core.h
	src/include/switch_types.h
	src/mod/applications/mod_conference/conference_file.c
	src/mod/applications/mod_conference/conference_video.c
	src/mod/languages/mod_managed/managed/swig.cs
	src/switch_core_media.c
	src/switch_ivr_bridge.c
	src/switch_rtp.c

FS-9765 one tweak from submitted patch to use switch_channel_var_true instead of switch_channel_get_variable no need to allocate on every hold/unhold just to check if this is enabled.

Conflicts:
	src/switch_core_cert.c

FS-10183 [mod_sofia] Broadsoft Shared line pickup would fall if a-leg is PCMU and your pickup device has G722 as its first codec.

Resolves FS-10071. Fixed newer (perl 5.22 and up) versions of perl from crashing, -e means evaluate the following string and it does not like emptystr.

Conflicts:
	libs/libks/src/kws.c
	libs/sofia-sip/.update

Conflicts:
	html5/verto/video_demo/js/verto-min.js

FS-10146: [mod_conference] Completely setup conference member before adding them to the conference #resolve