Fix #22064: Make "Save Session" available outside of Expert Mode

The session saving code has been expert mode only since it was introduced in
r6129. The message for r6129 seems to indicate that it was visible only in expert
mode to work out bugs.

git-svn-id: https://josm.openstreetmap.de/svn/trunk@18616 0c6e7542-c601-0410-84e7-c038aed88b3b

Author: taylor.smock

src/org/openstreetmap/josm/gui/MainMenu.java

@@ -741,8 +741,8 @@ public void initialize() {
         fileMenu.addSeparator();
         add(fileMenu, save);
         add(fileMenu, saveAs);
-        add(fileMenu, sessionSave, true);
-        add(fileMenu, sessionSaveAs, true);
+        add(fileMenu, sessionSave);
+        add(fileMenu, sessionSaveAs);
         add(fileMenu, gpxExport, true);
         fileMenu.addSeparator();
         add(fileMenu, download);