Fix last Scrut bugs

Author: jcheron

Ajax/semantic/html/content/view/HtmlViewGroups.php

@@ -57,7 +57,7 @@ public function getItem($index){
 	public function getItemContent($itemIndex, $contentIndex) {
 		$item=$this->getItem($itemIndex);
 		if (isset($item)) {
-			return $item->getItemContent($contentIndex);
+			return $item->getContent($contentIndex);
 		}
 	}
 

Ajax/semantic/html/elements/HtmlButton.php

@@ -6,6 +6,7 @@
 use Ajax\semantic\html\base\traits\LabeledIconTrait;
 use Ajax\semantic\html\base\constants\Emphasis;
 use Ajax\semantic\html\base\constants\Social;
+use Ajax\semantic\html\modules\HtmlDropdown;
 
 /**
  * Semantic Button component
@@ -255,7 +256,7 @@ public function asLink($href=NULL,$target=NULL) {
 	public static function dropdown($identifier,$value,$items=[],$asCombo=false,$icon=null){
 		$result=new HtmlButtonGroups($identifier,[$value]);
 		$dd=$result->addDropdown($items,$asCombo);
-		if(isset($icon))
+		if(isset($icon) && $dd instanceof HtmlDropdown)
 			$dd->setIcon($icon);
 		return $result;
 	}

Ajax/semantic/html/elements/HtmlButtonGroups.php

@@ -50,7 +50,7 @@ public function addDropdown($items,$asCombo=false){
 	 */
 	public function addElement($element, $asIcon=false) {
 		$item=$this->addItem($element);
-		if($asIcon)
+		if($asIcon && $item instanceof HtmlButton)
 			$item->asIcon($element);
 		return $item;
 	}