zh/zl/zH/zL not working properly

[zingdle]

Describe the bug
Even though warp is disabled (toggled by Alt-z), zh/zl/zH/zL are not working properly.

To Reproduce
zh: move cursor to the right character, the same as l
zl: move cursor to the left character, the same as h
zH: move cursor to the beginning of this or next line
zL: move cursor several characters back to the left

Expected behavior
Stated in ROADMAP Scrolling

Environment (please complete the following information):

• Extension (VsCodeVim) version: 1.10.0
• VSCode version: 1.37.1
• OS: Win10

Additional context
Only VsCodeVim is enabled. No additional settings.

[J-Fields]

As a reference, how this should work: http://vimdoc.sourceforge.net/htmldoc/scroll.html#scroll-horizontal

[zingdle]

Looks like the API relied on doesn't have any plan to support horizontal scroll yet. microsoft/vscode#25949