config(csaxs): adjust sl2yc/sl2ys epics offsets

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017NrH3poJsYBCTVq2Y9fuHZ

csaxs_bec/device_configs/bl_optics_hutch.yaml

@@ -91,7 +91,7 @@ sl2yc:
   readOnly: false
   softwareTrigger: false
   userParameter:
-    epics_offset: 0.280607
+    epics_offset: 0.6703
   deviceTags:
     - bl_optics_hutch
 
@@ -106,7 +106,7 @@ sl2ys:
   readOnly: false
   softwareTrigger: false
   userParameter:
-    epics_offset: -2.913919
+    epics_offset: -0.8545
   deviceTags:
     - bl_optics_hutch