feat(display): make Faint respect Colorize

Make `display.Faint` respect the `Colorize` config value.

internal/display/faint_test.go

@@ -2,12 +2,25 @@ package display
 
 import (
 	"testing"
+
+	"github.com/cheat/cheat/internal/config"
 )
 
 // TestFaint asserts that Faint applies faint formatting
 func TestFaint(t *testing.T) {
+
+	// case: apply colorization
+	conf := config.Config{Colorize: true}
 	want := "\033[2mfoo\033[0m"
-	got := Faint("foo")
+	got := Faint("foo", conf)
+	if want != got {
+		t.Errorf("failed to faint: want: %s, got: %s", want, got)
+	}
+
+	// case: do not apply colorization
+	conf.Colorize = false
+	want = "foo"
+	got = Faint("foo", conf)
 	if want != got {
 		t.Errorf("failed to faint: want: %s, got: %s", want, got)
 	}