fix on change JavaScript event on color form field with layout advanced

[jurihahn]

Pull Request

Summary of Changes

"onchange" event don't work on color form field. If I add

<field	name="my_color"	type="color"	control="advanced"	onchange="alert('color changed');" /> 

I get result HTML result:
<input type="text" name="my_color" ... data-control="advanced" alert('color="" changed');="" data-format="hex" size="7">

Testing Instructions

Create form with color form field and add custom "onchange" for example onchange="alert('color changed');" then load page with this form and select any color

Actual result BEFORE applying this Pull Request

you don't get message "color changed"

Expected result AFTER applying this Pull Request

you get message "color changed"

[Quy]

I have tested this item ✅ successfully on 9193822

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/41126.}

[viocassel]

I have tested this item ✅ successfully on 9193822

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/41126.}

[alikon]

RTC

---

_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/41126.}

[obuisard]

Thank you Juri @jurihahn for the PR!