Add a date to latest

lib/main.dart

@@ -1053,7 +1053,7 @@ class MainPageState extends State<MainPage> with WindowListener {
                             child: Text(
                               _currentlyDisplayedNote?.displayDate ==
                                       previousNote?.displayDate
-                                  ? 'Previous Entry (Latest)'
+                                  ? 'Previous Entry: ${_currentlyDisplayedNote?.displayDate ?? 'N/A'}'
                                   : 'Entry: ${_currentlyDisplayedNote?.displayDate ?? 'N/A'}',
                               style: TextStyle(
                                 fontSize: 18,
@@ -1086,7 +1086,7 @@ class MainPageState extends State<MainPage> with WindowListener {
                                 _currentlyDisplayedNote?.displayDate !=
                                         previousNote?.displayDate
                                     ? 'Viewing note from ${_currentlyDisplayedNote?.displayDate} (Editable)'
-                                    : 'Latest Note',
+                                    : 'Latest Note: ${_currentlyDisplayedNote?.displayDate ?? 'N/A'}',
                             border: const OutlineInputBorder(),
                             filled:
                                 _currentlyDisplayedNote?.displayDate !=