[PWGLF] Refactor and Rename K892pm flow with Code Improvements (#9549)

Author: BongHwi

PWGLF/Tasks/Resonances/CMakeLists.txt

@@ -165,7 +165,7 @@ o2physics_add_dpl_workflow(highmasslambdasvx
     COMPONENT_NAME Analysis)
 
 o2physics_add_dpl_workflow(chk892flow
-    SOURCES chk892flow.cxx
+    SOURCES chk892Flow.cxx
     PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore
     COMPONENT_NAME Analysis)