Alex krasn/cherry pick app version update: b6b9a2f131 (#815)

* fix on currerntlySortedColumn return undefiened if not sorted

* update appVersion to 2.1.2 (#808)
cherry-pick: b6b9a2f131

* fix: accidentaly pushed change

package.json

@@ -1,6 +1,6 @@
 {
     "name": "oflt",
-    "version": "2.1.1",
+    "version": "2.1.2",
     "author": {
         "name": "Microsoft",
         "url": "https://github.com/microsoft/OCR-Form-Tools"