Sparql query data getter ivalid substitution errors appear in log files

[litvinovg]

Describe the bug
While opening VIVO home page error appeared in tomcat log file.
Error happens due to substitution of environment variable that doesn't exists in sparql query text in case sparql query data getter doesn't have any variable substitution specified for backward compatibility.

To Reproduce
Steps to reproduce the behavior:

1. Build VIVO
2. Log in
3. Activate developer panel
4. In developer panel check "Insert HTML comments at start and end of templates"
5. Open home page

Expected behavior
A clear and concise description of what you expected to happen.

Stack trace
WARN [FreemarkerConfigurationImpl] org.apache.jena.sparql.ARQException: Value for the parameter contains a SPARQL injection risk
org.apache.jena.sparql.ARQException: Value for the parameter contains a SPARQL injection risk
at org.apache.jena.query.ParameterizedSparqlString.validateParameterValue(ParameterizedSparqlString.java:630)
at org.apache.jena.query.ParameterizedSparqlString.setParam(ParameterizedSparqlString.java:692)
at org.apache.jena.query.ParameterizedSparqlString.setIri(ParameterizedSparqlString.java:760)
at edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SparqlQueryDataGetter.lambda$bindParameters$7(SparqlQueryDataGetter.java:226)
at edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SparqlQueryDataGetter.substitute(SparqlQueryDataGetter.java:243)
at edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SparqlQueryDataGetter.bindParameters(SparqlQueryDataGetter.java:225)
at edu.cornell.mannlib.vitro.webapp.utils.dataGetter.SparqlQueryDataGetter.getData(SparqlQueryDataGetter.java:172)
at edu.cornell.mannlib.vitro.webapp.freemarker.config.FreemarkerConfigurationImpl.applyDataGetter(FreemarkerConfigurationImpl.java:234)
at edu.cornell.mannlib.vitro.webapp.freemarker.config.FreemarkerConfigurationImpl.retrieveAndRunDataGetters(FreemarkerConfigurationImpl.java:197)
at edu.cornell.mannlib.vitro.webapp.freemarker.config.FreemarkerConfigurationImpl.getTemplate(FreemarkerConfigurationImpl.java:166)

Additional information
ERROR [SparqlQueryDataGetter] Exception happend while trying to substitute value

of variable body in query

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX vivo: <http://vivoweb.org/ontology/core#>

SELECT DISTINCT ?theURI ?name
WHERE
{
      ?theURI a vivo:AcademicDepartment .
      ?theURI rdfs:label ?name .
}

Environment (please complete the following information):

• OS: Linux
• Browser Firefox
• Tomcat version 8.5
• VIVO version 1.14.1-SNAPSHOT
• Apache Solr