Strictly specify application.properties for LS process at launch

eclipse-language-servers/org.springframework.tooling.concourse.ls/src/org/springframework/tooling/concourse/ls/ConcourseLanguageServer.java

@@ -30,7 +30,8 @@ public class ConcourseLanguageServer extends STS4LanguageServerProcessStreamConn
 				"concourse-language-server",
 				Arrays.asList(
 						"-Dlsp.lazy.completions.disable=true",
-						"-XX:TieredStopAtLevel=1"
+						"-XX:TieredStopAtLevel=1",
+						"-Dspring.config.location=classpath:/application.properties"
 				)
 		);