fix: update description for diff groupbar config values to reflect th…

…eir role as background colors and not borders.

update descriptions for groupbar config values
- `col.active`
- `col.inactive`
- `col.locked_active`
- `col.locked_inactive`

pages/Configuring/Variables.md

@@ -356,10 +356,10 @@ _Subcategory `group:groupbar:`_
 | render_titles | whether to render titles in the group bar decoration | bool | true |
 | scrolling | whether scrolling in the groupbar changes group active window | bool | true |
 | text_color | controls the group bar text color | color | 0xffffffff |
-| col.active | active group border color | gradient | 0x66ffff00 |
-| col.inactive | inactive (out of focus) group border color | gradient | 0x66777700 |
-| col.locked_active | active locked group border color | gradient | 0x66ff5500 |
-| col.locked_inactive | inactive locked group border color | gradient | 0x66775500 |
+| col.active | active group bar background color | gradient | 0x66ffff00 |
+| col.inactive | inactive (out of focus) group bar background color | gradient | 0x66777700 |
+| col.locked_active | active locked group bar background color | gradient | 0x66ff5500 |
+| col.locked_inactive | inactive locked group bar background color | gradient | 0x66775500 |
 
 ### Misc