Fix bug that make user unable to update the type of sticker

src/main/resources/htmlPages/part/listSticker.ftl

@@ -19,12 +19,12 @@
         <#if is_login == true>
             <form class="component-edit" onsubmit="return updateComponent(this, ${sticker.id}, '/students/${student.id}/stickers');">
                 <label class="component-edit-selector">
-                    <select name="color">
+                    <select name="type">
                         <#list sticker_types as type>
                             <#if type.id == sticker.type.id>
-                                <option selected value="${type.color}">${type.description}</option>
+                                <option selected value="${type.id}">${type.description}</option>
                             <#else>
-                                <option value="${type.color}">${type.description}</option>
+                                <option value="${type.id}">${type.description}</option>
                             </#if>
                         </#list>
                     </select>