Handle existing markers in titanium (issue #17)

Signed-off-by: Miklos Magyari miklos.magyari@sigmatechnology.com

lsp/src/main/java/org/eclipse/titan/lsp/titanium/markers/spotters/BaseCodeSmellSpotter.java

@@ -73,6 +73,11 @@ abstract class BaseCodeSmellSpotter {
 		 *            the message of the marker
 		 */
 		public Marker report(final Location loc, final String message) {
+			for (final Marker report : reports) {
+				if (report.getLocation().equals(loc) && report.getMessage().equals(message)) {
+					return report;
+				}
+			}
 			final Marker marker = new Marker(loc, message, severity, type);
 			reports.add(marker);