增加下拉列表框（多选）插件

@EDITOR/下拉列表框（多选）/EDITOR.vue.ftl

 <#ibizinclude>../@MACRO/FUNC/PUBLIC.vue.ftl</#ibizinclude>
+<#if item.render?? || item.getRender()??> 
+    ${item.render.code}
+<#else>
 <dropdown-list-mpicker 
   v-model="data.${editor.name}"
   :data="data" 
@@ -17,3 +20,4 @@
   </#if> 
   placeholder=<#if item.getPlaceHolder()??>'${item.getPlaceHolder()}'<#else>'请选择...'</#if> style="${editor.getEditorCssStyle()}">
 </dropdown-list-mpicker>
+</#if>
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@EDITOR/下拉列表框（多选）/GRIDEIDTOR.vue.ftl

 <#ibizinclude>../@MACRO/FUNC/PUBLIC.vue.ftl</#ibizinclude>
+<#if item.render?? || item.getRender()??> 
+    ${item.render.code}
+<#else>
 <dropdown-list-mpicker 
   v-model="row[column.property]" 
   :data="row" 
@@ -17,3 +20,4 @@
   @change="($event)=>{gridEditItemChange(row, column.property, $event, $index)}"
   style="${item.getEditorCssStyle()}">
 </dropdown-list-mpicker>
+</#if>
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@EDITOR/下拉列表框（多选）/PANELEDITOR.vue.ftl

 <#ibizinclude>../@MACRO/FUNC/PUBLIC.vue.ftl</#ibizinclude>
+<#if item.render?? || item.getRender()??> 
+    ${item.render.code}
+<#else>
 <dropdown-list-mpicker 
   v-model="data.${editor.name?lower_case}" 
   :data="data" 
@@ -19,3 +22,4 @@
   @change="($event)=>{panelEditItemChange(data, '${editor.name?lower_case}', $event)}"
   style="${item.getEditorCssStyle()}">
 </dropdown-list-mpicker>
+</#if>
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