last column is difficult to drag and enlarge

Currently, the way to enlarge a column is to drag the right side of the column over. Sometimes, it's a bit difficult to drag over or you run into issues having the cursor switch to a drag option.

Start by reproducing the column-resizing interaction in the Mac application, focusing on the right edge of the last column and the cursor transition. Done means the last column can be enlarged reliably without difficulty dragging or losing the resize cursor.

Written by the indexing model from the issue text.