feat(mentionslist): configure the selected style with [theme.mentions_list]

internal/config/config.toml

@@ -341,6 +341,8 @@ min_width = 20
 # 0 = make the list as tall as needed
 max_height = 0
 
+selected_style = { attributes = "reverse" }
+
 [theme.dialog]
 style = {}
 # Background style: everything else behind the dialog

internal/config/theme.go

@@ -247,6 +247,8 @@ type (
 	MentionsListTheme struct {
 		MinWidth  uint `toml:"min_width"`
 		MaxHeight uint `toml:"max_height"`
+
+		SelectedStyle StyleWrapper `toml:"selected_style"`
 	}
 
 	DialogTheme struct {

internal/ui/chat/mentionslist/model.go

@@ -35,7 +35,7 @@ func (m Model) listView() list.Widget {
 		item := m.items[i]
 		return row{text: item.DisplayText, style: item.Style}
 	}).
-		SelectedStyle(tcell.StyleDefault.Reverse(true)).
+		SelectedStyle(m.cfg.Theme.MentionsList.SelectedStyle.Style).
 		Keybind(ui.SelectionKeybind(m.cfg.Keybinds.MentionsList.SelectionKeybinds)).
 		// The list is only shown while mentions are being completed, so it takes its keys first.
 		Focused(true).