Grid state shows not valid width for columns in locked region

[chuckn0rris]

In lockedcolumnstree example add

    subGridConfigs: {
        locked : {
            minWidth : 800
        }
    },

Open examples and resize first and second columns (from 3 in locked region), make them small.

Run in console grid.state. See that total widths of these 3 are not equal to region size - 800px. Not resized column has initial width value, but in fact it's wider.

Forum post

Setting a minimum width on a region can result in an inaccurate column state after resizing columns. For example on the "Tree with locked Columns" demo setting a minimum width of the "locked" region to 800px and reducing column sizes in this region results in an inaccurate grid state . Outputting the grid state to console shows that the columns widths do not add up to 800px with the final column in the region having a width less than what is visible in the grid.

Would it be possible to have this resolved, thank-you.