fix(jans-auth-server): wrong import in GluuOrganization class which leads to failure on jans-config-api

[yuriyz]

Describe the bug

Wrong import in GluuOrganization class which leads to failure on jans-config-api

<h3>Caused by:</h3><pre>java.lang.NoClassDefFoundError: org/apache/tika/utils/StringUtils
    at io.jans.as.persistence.model.GluuOrganization.getTitle(GluuOrganization.java:175)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

To Reproduce
Run jans-config-api tests.

Expected behavior
No error.