Prevent some slice-related commands from being enabled when the slice editor is not.

Fixes o3de/o3de#6198

Fixes an additional menu option that was visible (Resave all slices)

Signed-off-by: Andre Mitchell <andre.mitchell@bytesofpi.com>

Code/Editor/CryEdit.cpp

@@ -380,13 +380,13 @@ void CCryEditApp::RegisterActionHandlers()
     ON_COMMAND(ID_IMPORT_ASSET, OnOpenAssetImporter)
     ON_COMMAND(ID_EDIT_LEVELDATA, OnEditLevelData)
     ON_COMMAND(ID_FILE_EDITLOGFILE, OnFileEditLogFile)
-    ON_COMMAND(ID_FILE_RESAVESLICES, OnFileResaveSlices)
     ON_COMMAND(ID_FILE_EDITEDITORINI, OnFileEditEditorini)
     ON_COMMAND(ID_PREFERENCES, OnPreferences)
     ON_COMMAND(ID_REDO, OnRedo)
     ON_COMMAND(ID_TOOLBAR_WIDGET_REDO, OnRedo)
     ON_COMMAND(ID_FILE_OPEN_LEVEL, OnOpenLevel)
 #ifdef ENABLE_SLICE_EDITOR
+    ON_COMMAND(ID_FILE_RESAVESLICES, OnFileResaveSlices)
     ON_COMMAND(ID_FILE_NEW_SLICE, OnCreateSlice)
     ON_COMMAND(ID_FILE_OPEN_SLICE, OnOpenSlice)
 #endif
@@ -2636,6 +2636,7 @@ void CCryEditApp::OnFileEditLogFile()
     CFileUtil::EditTextFile(CLogFile::GetLogFileName(), 0, IFileUtil::FILE_TYPE_SCRIPT);
 }
 
+#ifdef ENABLE_SLICE_EDITOR
 void CCryEditApp::OnFileResaveSlices()
 {
     AZStd::vector<AZ::Data::AssetInfo> sliceAssetInfos;
@@ -2766,6 +2767,7 @@ void CCryEditApp::OnFileResaveSlices()
     }
 
 }
+#endif
 
 //////////////////////////////////////////////////////////////////////////
 void CCryEditApp::OnFileEditEditorini()