[CXF-9153]The class org.apache.cxf.transport.servlet.servicelist.UnformattedServiceListWriter does not work for RESTful destinations

(cherry picked from commit 01b6fa1)
(cherry picked from commit 7a801c2)

Author: ffang

rt/transports/http/src/main/java/org/apache/cxf/transport/servlet/servicelist/UnformattedServiceListWriter.java

@@ -36,7 +36,7 @@ public UnformattedServiceListWriter(boolean renderWsdlList, Bus bus) {
     }
 
     public String getContentType() {
-        return "text/html; charset=UTF-8";
+        return "text/plain; charset=UTF-8";
     }
 
     public void writeServiceList(PrintWriter writer,
@@ -80,14 +80,16 @@ private void writeUnformattedRESTfulEndpoints(PrintWriter writer,
             address = StringEscapeUtils.escapeHtml4(address);
 
             boolean wadlAvailable = bus != null
-                && PropertyUtils.isTrue(bus.getProperty("wadl.service.descrition.available"));
+                && PropertyUtils.isTrue(bus.getProperty("wadl.service.description.available"));
             boolean swaggerAvailable = bus != null
-                && PropertyUtils.isTrue(bus.getProperty("swagger.service.descrition.available"));
+                && PropertyUtils.isTrue(bus.getProperty("swagger.service.description.available"));
             boolean openApiAvailable = bus != null
-                && PropertyUtils.isTrue(bus.getProperty("openapi.service.descrition.available"));
-            if (!wadlAvailable && !swaggerAvailable) {
+                && PropertyUtils.isTrue(bus.getProperty("openapi.service.description.available"));
+            if (!wadlAvailable 
+                && !swaggerAvailable
+                && !openApiAvailable) {
                 writer.write(address + "\n");
-                return;
+                continue;
             }
             if (wadlAvailable) {
                 writer.write(address + "?_wadl\n");