feat(display): make Faint respect Colorize

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

internal/display/faint.go

@@ -1,8 +1,18 @@
 package display
 
-import "fmt"
+import (
+	"fmt"
+
+	"github.com/cheat/cheat/internal/config"
+)
 
 // Faint returns an faint string
-func Faint(str string) string {
-	return fmt.Sprintf(fmt.Sprintf("\033[2m%s\033[0m", str))
+func Faint(str string, conf config.Config) string {
+	// make `str` faint only if colorization has been requested
+	if conf.Colorize {
+		return fmt.Sprintf(fmt.Sprintf("\033[2m%s\033[0m", str))
+	}
+
+	// otherwise, return the string unmodified
+	return str
 }