Don't print stacktrace when parsing IA for keyring fails.

A KNXFormatException also happens when, e.g., running a device scan and using only the area or area.line part of the topology. In such cases, we don't need a keyring in the first place.

Author: bmalinowsky

src/io/calimero/gui/ConnectArguments.java

@@ -133,8 +133,8 @@ public List<String> getArgs(final boolean useRemoteAddressOption)
 				KeyringTab.keyring().map(Keyring::devices).filter(devices -> devices.containsKey(device))
 						.ifPresent(__ -> KeyringTab.keyringPassword());
 			}
-			catch (final KNXFormatException e) {
-				e.printStackTrace();
+			catch (final KNXFormatException ok) {
+				// if we didn't get a valid IA, keyring doesn't matter
 			}
 		}