Fixing realsense2 t265 image synchronization for >= v2.43

realsense2_t265.patch

diff --git a/src/proc/syncer-processing-block.cpp b/src/proc/syncer-processing-block.cpp
index 34ebcb492..020b88eb7 100644
--- a/src/proc/syncer-processing-block.cpp
+++ b/src/proc/syncer-processing-block.cpp
@@ -11,7 +11,7 @@
 namespace librealsense
 {
     syncer_process_unit::syncer_process_unit(std::initializer_list< bool_option::ptr > enable_opts, bool log)
-        : processing_block("syncer"), _matcher((new composite_identity_matcher({})))
+        : processing_block("syncer"), _matcher((new timestamp_composite_matcher({})))
         , _enable_opts(enable_opts.begin(), enable_opts.end())
     {
         _matcher->set_callback( [this]( frame_holder f, syncronization_environment env ) {