Provide default values on trait and remove TODO

Author: mikeymike

src/MenuItem/SelectableTrait.php

@@ -16,7 +16,7 @@ trait SelectableTrait
     /**
      * @var string
      */
-    private $text;
+    private $text = '';
 
     /**
      * @var bool
@@ -26,7 +26,7 @@ trait SelectableTrait
     /**
      * @var bool
      */
-    private $disabled;
+    private $disabled = false;
 
     /**
      * The output text for the item

src/MenuStyle.php

@@ -139,7 +139,6 @@ class MenuStyle
      * @param TerminalInterface $terminal
      * @throws InvalidInstantiationException
      */
-    // TODO: Disabled marker ideally without breaking change.
     public function __construct(
         $bg = 'blue',
         $fg = 'white',
@@ -440,7 +439,6 @@ public function setUnselectedMarker($marker)
      */
     public function getMarker($selected)
     {
-        // TODO: Incorperate disabled markers ?
         return $selected ? $this->selectedMarker : $this->unselectedMarker;
     }