Fix "Copy to" preferences (#12846)

Author: paudelritij

src/main/java/org/jabref/gui/edit/CopyToPreferences.java

@@ -20,11 +20,19 @@ public void setShouldIncludeCrossReferences(boolean decision) {
         this.shouldIncludeCrossReferences.set(decision);
     }
 
+    public BooleanProperty shouldIncludeCrossReferencesProperty() {
+        return shouldIncludeCrossReferences;
+    }
+
     public boolean getShouldAskForIncludingCrossReferences() {
         return shouldAskForIncludingCrossReferences.get();
     }
 
     public void setShouldAskForIncludingCrossReferences(boolean decision) {
         this.shouldAskForIncludingCrossReferences.set(decision);
     }
+
+    public BooleanProperty shouldAskForIncludingCrossReferencesProperty() {
+        return shouldAskForIncludingCrossReferences;
+    }
 }

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

@@ -427,6 +427,10 @@ public CopyToPreferences getCopyToPreferences() {
                 getBoolean(ASK_FOR_INCLUDING_CROSS_REFERENCES),
                 getBoolean(INCLUDE_CROSS_REFERENCES)
         );
+
+        EasyBind.listen(copyToPreferences.shouldAskForIncludingCrossReferencesProperty(), (obs, oldValue, newValue) -> putBoolean(ASK_FOR_INCLUDING_CROSS_REFERENCES, newValue));
+        EasyBind.listen(copyToPreferences.shouldIncludeCrossReferencesProperty(), (obs, oldValue, newValue) -> putBoolean(INCLUDE_CROSS_REFERENCES, newValue));
+
         return copyToPreferences;
     }