Merge pull request #2128 from dgageot/board/in-tmux-the-split-screen-handle-isn-t-as-a6ceba2e

Fix a few characters for tmux

Author: dgageot

pkg/tui/components/scrollbar/scrollbar.go

@@ -34,8 +34,8 @@ type Model struct {
 func New() *Model {
 	return &Model{
 		width:     Width,
-		trackChar: "│",
-		thumbChar: "│",
+		trackChar: "⎪",
+		thumbChar: "┃",
 	}
 }