Regular conference members that are assigned a reservation ID in a layout
are automatically placed in that same reservation ID upon change of a layout.

However, playing files that are assigned a reservation ID are not properly
assigned to the same reservation ID upon layout change.

This patch makes the behavior consistent between the two types.

Merge pull request #1539 in FS/freeswitch from ~ANDYWOLK/freeswitch:bugfix/FS-11189-windows-build-regression to master

* commit '5c4211e4':
  FS-11189: [Build-System] Windows build regression fix.

Merge pull request #1538 in FS/freeswitch from ~ANDYWOLK/freeswitch:bugfix/FS-11189-add-video-settings to master

* commit '2323421b':
  FS-11189: [Build-System] Fix Windows build.

load time:
first load config default settings
merge any settings in XML

run time:
merge any dynamic settings

FS-11226: [freeswitch-core,mod_conference] Missing font files can lead to crash in conference #resolve

FS-11211: [Verto-Communicator] Add turnServer and verto server fallback options -- FS side to only do relay as a last resort #resolve

Check value of sanity while looping over
switch_cache_db_get_db_handle_dsn() in switch_user_sql_thread.

Erroneous DLSR in received RTCP report could
cause RTT to be negative (RTT = A - DLSR - LSR).
Add check for this and prevent corruption
of statistics and estimations (estimator code used
bad RTT values).