Fix: possibility to have more hooks in the same page

New: add left search block hook and extra left block hook

htdocs/core/tpl/freeproductline_edit.tpl.php

@@ -40,8 +40,8 @@
 	<a name="<?php echo $line->id; ?>"></a>
 	
 	<?php
-	if (! empty($this->hooks)) {
-		foreach($this->hooks as $module) {
+	if (! empty($this->hooks['objectcard'])) {
+		foreach($this->hooks['objectcard'] as $module) {
 			$module->formEditProductOptions($this,$line->fk_parent_line);
 			echo '<br>';
 		}

htdocs/core/tpl/predefinedproductline_edit.tpl.php

@@ -48,8 +48,8 @@
 	echo ' - '.nl2br($line->product_label);
 	echo '<br>';
 
-	if (! empty($this->hooks)) {
-		foreach($this->hooks as $module) {
+	if (! empty($this->hooks['objectcard'])) {
+		foreach($this->hooks['objectcard'] as $module) {
 			$module->formEditProductOptions($this,$line->fk_parent_line);
 			echo '<br>';
 		}