wallet: Do not include server symbols

ui_interface is in libbitcoin_server and can not be included in the
wallet because the wallet does not link with server symbols.

src/interfaces/wallet.cpp

@@ -13,11 +13,11 @@
 #include <script/standard.h>
 #include <support/allocators/secure.h>
 #include <sync.h>
-#include <ui_interface.h>
 #include <uint256.h>
 #include <util/check.h>
 #include <util/ref.h>
 #include <util/system.h>
+#include <util/ui_change_type.h>
 #include <wallet/context.h>
 #include <wallet/feebumper.h>
 #include <wallet/fees.h>