Merge branch '512-add-nullcheck-for-confidence-mode-property-in-gui-s…

…ettings' into 'master'

Resolve "Add nullcheck for confidence mode property in gui settings"

Closes #512

See merge request bright-giant/sirius/sirius-frontend!222

sirius_gui/src/main/java/de/unijena/bioinf/ms/gui/settings/GerneralSettingsPanel.java

@@ -86,7 +86,7 @@ public GerneralSettingsPanel(Properties properties, SiriusGui gui) {
         confidenceDisplayMode = GuiUtils.makeParameterComboBoxFromDescriptiveValues(ConfidenceDisplayMode.values());
 
         try {
-            confidenceDisplayMode.setSelectedItem(ConfidenceDisplayMode.valueOf(props.getProperty("de.unijena.bioinf.sirius.ui.confidenceDisplayMode")));
+            confidenceDisplayMode.setSelectedItem(ConfidenceDisplayMode.valueOf(props.getProperty("de.unijena.bioinf.sirius.ui.confidenceDisplayMode", "APPROXIMATE")));
         } catch (IllegalArgumentException e) {
             confidenceDisplayMode.setSelectedItem(ConfidenceDisplayMode.APPROXIMATE);
         }