Add noopener option to link rel attribute

[Quy]

Pull Request for Issue #27990.

Summary of Changes

Add noopener option to link rel attribute of external URL menu type.

Testing Instructions

Add new menu item
Select System Links > URL
Click Link Type tab
Click Link Rel Attribute dropdown
See noopener option

[TVBZ]

Tested. Working as expected. Thanks!

[SharkyKZ]

I have tested this item ✅ successfully on 3e3b6ec

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/28005.}

[SharkyKZ]

RTC.

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/28005.}

[viocassel]

I have tested this item ✅ successfully on 3e3b6ec

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/28005.}

[zero-24]

Merging thanks :-)