grid and edit/form, added line cannot be selected properly on grid

[pcarraca]

Short description
grid and edit/form:
added line cannot be selected properly on grid

What is current behavior

1. grid, add line. Add new line on form
2. the new line is visible on grid
3. the new line cannot be selected

What is desired behavior
should be selectable

Link to jsfidle/codepan with sample code
line 11707 of w2ui-2.0.es6.js
if (this.searchData.length !== 0 || (index + 1 >= this.last.range_start && index + 1 <= this.last.range_end)) {
tests again grid last.range_end which is only updated on reload
if we add a previous new line:
this.last.range_end = this.records.length
then it works

Steps to reproduce or sample