implemented searching in notes

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/Util.java

@@ -92,11 +92,10 @@ public class Util {
 						var svg = new String(out, UTF_8);
 						source = source.substring(0, start) + svg + source.substring(end);
 					}
-
 				}
 			}
 			return MARKDOWN.text(source);
-		} catch (Exception e){
+		} catch (Throwable e){
 			if (LOG.isLoggable(TRACE)){
 				LOG.log(TRACE,"Failed to render markdown, input was: \n{0}",source,e);
 			} else LOG.log(WARNING,"Failed to render markdown. Enable TRACE log level for details.");