style(ui): simplify panels, remove borders and scrollbars, add padding, enable inline mode

television/cable/text.toml

@@ -17,7 +17,7 @@ env = { BAT_THEME = "ansi" }
 offset = '{strip_ansi|split:\::1}'
 
 [ui]
-preview_panel = { header = '{strip_ansi|split:\::..2}' }
+preview_panel = { header = '{strip_ansi|split:\::..2}', border_type = "none", scrollbar = false, padding = { left = 2, right = 1, top = 0, bottom = 0 } }
 
 [keybindings]
 enter = "actions:edit"