Feature: Add icons to experimental features submenu

Add 16x16 menu icons for the three experimental-features items in the
online-host right-click menu: file management (folder), privacy screen
(shield with padlock), and drawing board (paintbrush). The new bitmaps
follow the existing #F0F0F0-background 32bpp convention and are wired
into the m_bmOnline array via LoadBitmap and SetMenuItemBitmaps, using
the same pattern as the other nested-submenu items.

Co-Authored-By: deepseek-v4-pro

server/2015Remote/resource.h

@@ -284,6 +284,9 @@
 #define IDB_BITMAP_HISTORY_ACTIVITY     398
 #define IDB_BITMAP_VIEW_WND             399
 #define IDB_BITMAP_PROXY_AUTORUN        400
+#define IDB_BITMAP_FILE_MANAGER         407
+#define IDB_BITMAP_PRIVACY_SHIELD       408
+#define IDB_BITMAP_DRAWING_BOARD        409
 #define IDC_MESSAGE                     1000
 #define IDC_ONLINE                      1001
 #define IDC_STATIC_TIPS                 1002
@@ -1078,7 +1081,7 @@
 //
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        407
+#define _APS_NEXT_RESOURCE_VALUE        410
 #define _APS_NEXT_COMMAND_VALUE         33093
 #define _APS_NEXT_CONTROL_VALUE         2593
 #define _APS_NEXT_SYMED_VALUE           105