replace emoji-style tick/cross + N/A with cleaner symbols.

update screenshots.

input.go

@@ -131,7 +131,7 @@ func (cmd *InputListCmd) Run(ctx *context) error {
 		)
 		if err != nil {
 			if err.Error() == "request GetInputMute: InvalidResourceState (604): The specified input does not support audio." {
-				muteMark = "N/A"
+				muteMark = "—"
 			} else {
 				return fmt.Errorf("failed to get input mute state: %w", err)
 			}

util.go

@@ -24,12 +24,12 @@ func getEnabledMark(enabled bool) string {
 		if os.Getenv("NO_COLOR") != "" { // nolint: misspell
 			return "✓"
 		}
-		return "✅"
+		return "●"
 	}
 	if os.Getenv("NO_COLOR") != "" { // nolint: misspell
 		return "✗"
 	}
-	return "❌"
+	return "○"
 }
 
 func trimPrefix(s, prefix string) string {