Select the first world by default (hopefully)

builtin/mainmenu/tab_local.lua

@@ -75,6 +75,9 @@ local function get_formspec()
 		creative_bg = "creative_bg_" .. lang .. ".png"
 	end
 
+	-- Default index
+	if index == 0 then index = 1 end
+
 	local retval =
 			"image_button[0,4.84;3.31,0.92;" ..
 				core.formspec_escape(defaulttexturedir ..

src/defaultsettings.cpp

@@ -380,7 +380,7 @@ void set_default_settings(Settings *settings) {
 	settings->setDefault("high_precision_fpu", "true");
 	settings->setDefault("enable_console", "false");
 
-	settings->setDefault("mainmenu_last_selected_world", "1");
+	// settings->setDefault("mainmenu_last_selected_world", "1");
 	settings->setDefault("device_is_tablet", "false");
 
 	// Altered settings for macOS