fix: correct file retention from checkout hook

.githooks/post-checkout

@@ -15,8 +15,10 @@ for entryFileToSubstitute in $listFilesToSubstitute; do
     echo "${fileContent//${staticPathSubstitution}/${repoRoot}}" > "${fullPathSubstitute}"
 done
 
-mv hw_platform/platform.tcl TMP
+mv hw_platform/platform.tcl TMP1
+mv hw_platform/platform.tcl.gitsubstitute TMP2
 rm -rf hw_platform
 mkdir hw_platform
-mv TMP hw_platform/platform.tcl
+mv TMP1 hw_platform/platform.tcl
+mv TMP2 hw_platform/platform.tcl.gitsubstitute
 xsct hw_platform/platform.tcl