Add SpecialFieldsPreferences reset handling in clear() and importPreferences()

- Added getSpecialFieldsPreferences().setAll() call in clear() method
- Added getSpecialFieldsPreferencesFromBackingStore() helper method
- Added reset handling in importPreferences() method

Fixes #14409

Author: 2400031832

jabgui/src/main/java/org/jabref/gui/preferences/JabRefGuiPreferences.java

@@ -414,6 +414,7 @@ public void clear() throws BackingStoreException {
 
         getWorkspacePreferences().setAll(WorkspacePreferences.getDefault());
         getGuiPreferences().setAll(CoreGuiPreferences.getDefault());
+                getSpecialFieldsPreferences().setAll(SpecialFieldsPreferences.getDefault());
     }
 
     @Override
@@ -423,6 +424,7 @@ public void importPreferences(Path file) throws JabRefException {
         // in case of incomplete or corrupt xml fall back to current preferences
         getWorkspacePreferences().setAll(getWorkspacePreferencesFromBackingStore(getWorkspacePreferences()));
         getGuiPreferences().setAll(getCoreGuiPreferencesFromBackingStore(getGuiPreferences()));
+                getSpecialFieldsPreferences().setAll(getSpecialFieldsPreferencesFromBackingStore(getSpecialFieldsPreferences()));
     }
 
     // region EntryEditorPreferences
@@ -856,6 +858,11 @@ public SpecialFieldsPreferences getSpecialFieldsPreferences() {
         return specialFieldsPreferences;
     }
 
+        private SpecialFieldsPreferences getSpecialFieldsPreferencesFromBackingStore(SpecialFieldsPreferences defaults) {
+        return new SpecialFieldsPreferences(
+                getBoolean(SPECIALFIELDSENABLED, defaults.isSpecialFieldsEnabled()));
+    }
+
     // region Preview preferences
     public PreviewPreferences getPreviewPreferences() {
         if (previewPreferences != null) {