Merge pull request #327 from smartdevicelink/bugfix/alignment-null-check

Add null/undefined check for text alignment

Author: renonick87

lib/js/src/manager/screen/_TextAndGraphicUpdateOperation.js

@@ -78,7 +78,10 @@ class _TextAndGraphicUpdateOperation extends _Task {
             this._finishOperation(false);
             return;
         }
-        this._fullShow = new Show().setAlignment(this._updatedState.getTextAlignment());
+        this._fullShow = new Show();
+        if (this._updatedState.getTextAlignment() !== null && this._updatedState.getTextAlignment() !== undefined) {
+            this._fullShow = this._fullShow.setAlignment(this._updatedState.getTextAlignment());
+        }
         this._fullShow = this._assembleShowText(this._fullShow);
         this._fullShow = this._assembleShowImages(this._fullShow);
         this._fullShow = this._assembleLayout(this._fullShow);
@@ -529,7 +532,9 @@ class _TextAndGraphicUpdateOperation extends _Task {
         newShow.setMainField4(show.getMainField4());
         newShow.setTemplateTitle(show.getTemplateTitle());
         newShow.setMetadataTags(show.getMetadataTags());
-        newShow.setAlignment(show.getAlignment());
+        if (show.getAlignment() !== null && show.getAlignment() !== undefined) {
+            newShow.setAlignment(show.getAlignment());
+        }
 
         if (this._showRpcSupportsTemplateConfiguration()) {
             newShow.setTemplateConfiguration(show.getTemplateConfiguration());