Fix device configuring when paired through zigbee-shepherd.

lib/extension/deviceConfigure.js

@@ -24,7 +24,7 @@ class DeviceConfigure extends BaseExtension {
             return false;
         }
 
-        if (device.interviewing || !device.interviewCompleted) {
+        if (device.interviewing === true || device.interviewCompleted === false) {
             return false;
         }