Fix default value for DisplayServer::virtual_keyboard_show Rect2 parameter

doc/classes/DisplayServer.xml

@@ -515,7 +515,7 @@
 		<method name="virtual_keyboard_show">
 			<return type="void" />
 			<argument index="0" name="existing_text" type="String" />
-			<argument index="1" name="position" type="Rect2" default="Rect2i(0, 0, 0, 0)" />
+			<argument index="1" name="position" type="Rect2" default="Rect2(0, 0, 0, 0)" />
 			<argument index="2" name="multiline" type="bool" default="false" />
 			<argument index="3" name="max_length" type="int" default="-1" />
 			<argument index="4" name="cursor_start" type="int" default="-1" />

servers/display_server.cpp

@@ -451,7 +451,7 @@ void DisplayServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("ime_get_selection"), &DisplayServer::ime_get_selection);
 	ClassDB::bind_method(D_METHOD("ime_get_text"), &DisplayServer::ime_get_text);
 
-	ClassDB::bind_method(D_METHOD("virtual_keyboard_show", "existing_text", "position", "multiline", "max_length", "cursor_start", "cursor_end"), &DisplayServer::virtual_keyboard_show, DEFVAL(Rect2i()), DEFVAL(false), DEFVAL(-1), DEFVAL(-1), DEFVAL(-1));
+	ClassDB::bind_method(D_METHOD("virtual_keyboard_show", "existing_text", "position", "multiline", "max_length", "cursor_start", "cursor_end"), &DisplayServer::virtual_keyboard_show, DEFVAL(Rect2()), DEFVAL(false), DEFVAL(-1), DEFVAL(-1), DEFVAL(-1));
 	ClassDB::bind_method(D_METHOD("virtual_keyboard_hide"), &DisplayServer::virtual_keyboard_hide);
 
 	ClassDB::bind_method(D_METHOD("virtual_keyboard_get_height"), &DisplayServer::virtual_keyboard_get_height);