os/bluestore/recompression: Now able to reach left boundary

Bad comparision caused recompression range to exclude left boundary
point. In most cases it makes little difference, but it prevents from:
1) including extent starting at 0
2) including extent at begging of onode segment
Now fixed.

Fixes: https://tracker.ceph.com/issues/71244

Signed-off-by: Adam Kupczyk <[email protected]>
(cherry picked from commit acfe527)

Author: aclamk

src/os/bluestore/Compression.cc

@@ -872,7 +872,7 @@ void Scan::on_write_start(
   }
   if (left_it != extent_map->extent_map.begin()) {
     --left_it; // left_walk points to processes extent
-    if (limit_left < left_it->logical_offset) {
+    if (limit_left <= left_it->logical_offset) {
       dout(30) << "left maybe expand" << dendl;
       has_expanded |= maybe_expand_scan_range(left_it, left, right);
     }