修复必填判断问题

src/main/java/com/shkpr/service/alambizplugin/components/checker/InvalidPropertiesFinder.java

@@ -214,7 +214,7 @@ public class InvalidPropertiesFinder {
                         break;
                 }
             //必填不存在则存入缺少必填
-            if (!data.containsKey(templateName))
+            if (data.get(templateName) == null || StringUtils.isBlank(data.get(templateName)))
                 missingRequirementsResult.add(GisSurveyThirdImportElement.create(data,
                         templateName,
                         layerType