updated ngx-codejar to v5.1.3

Author: julianpoemp

package-lock.json

@@ -34,7 +34,7 @@
     "codejar": "github:julianpoemp/codejar-fixed-redo-undo",
     "highlight.js": "^11.7.0",
     "ngx-bootstrap": "^10.2.0",
-    "ngx-codejar": "^5.1.2",
+    "ngx-codejar": "^5.1.3",
     "rxjs": "~6.6.3",
     "tslib": "^2.0.0",
     "zone.js": "~0.11.4"