Issue #197641 followup by herom, good_man, yhager: Fixed Drag and drop is not RTL aware.

core/misc/tabledrag.js

@@ -564,7 +564,7 @@
       if (self.indentEnabled) {
         var xDiff = self.currentPointerCoords.x - self.dragObject.indentPointerPos.x;
         // Set the number of indentations the pointer has been moved left or right.
-        var indentDiff = Math.round(xDiff / self.indentAmount * self.rtl);
+        var indentDiff = Math.round(xDiff / self.indentAmount);
         // Indent the row with our estimated diff, which may be further
         // restricted according to the rows around this row.
         var indentChange = self.rowObject.indent(indentDiff);