This margin shows because of `handle` width incuded in `SplitView` width. Handle have `Component` type and can't accessable for getting sizes. I add `magic constant` as hotfix. Closes: #307
This margin shows because of `handle` width incuded in `SplitView` width. Handle have `Component` type and can't accessable for getting sizes. I add `magic constant` as hotfix. Closes: #307