Fix save data not loading on login

src/battle-phases.ts

@@ -70,18 +70,22 @@ export class LoginPhase extends BattlePhase {
   
         this.scene.playSound('menu_open');
 
+        const loadData = () => {
+          this.scene.gameData.loadSystem().then(() => this.end());
+        };
+    
         this.scene.ui.setMode(Mode.LOGIN_FORM, {
           buttonActions: [
             () => {
               this.scene.ui.playSelect();
-              this.end();
+              loadData();
             }, () => {
               this.scene.playSound('menu_open');
               this.scene.ui.setMode(Mode.REGISTRATION_FORM, {
                 buttonActions: [
                   () => {
                     this.scene.ui.playSelect();
-                    this.end();
+                    loadData();
                   }, () => {
                     this.scene.unshiftPhase(new LoginPhase(this.scene, false));
                     this.end();

src/system/game-data.ts

@@ -220,7 +220,7 @@ export class GameData {
     });
   }
 
-  private loadSystem(): Promise<boolean> {
+  public loadSystem(): Promise<boolean> {
     return new Promise<boolean>(resolve => {
       if (bypassLogin && !localStorage.hasOwnProperty('data'))
         return false;