Fixed img loading issue with summary_tabs_2 for fr, pt_BR and zh_CN

src/loading-scene.ts

@@ -115,7 +115,7 @@ export class LoadingScene extends SceneBase {
     for (let t = 1; t <= 3; t++){
       this.loadImage(`summary_tabs_${t}`, 'ui');
     }
-    i18next.languages.forEach(lang => {
+    (i18next.options.supportedLngs as Array<any>).forEach(lang => {
       if(Utils.verifyLang(lang)){
         this.loadImage(`starter_select_bg_${lang}`, 'ui');
         this.loadImage(`summary_bg_${lang}`, 'ui');
@@ -206,7 +206,7 @@ export class LoadingScene extends SceneBase {
     this.loadAtlas('pb', '');
     this.loadAtlas('items', '');
     this.loadAtlas('types', '');
-    i18next.languages.forEach(lang => {
+    (i18next.options.supportedLngs as Array<any>).forEach(lang => {
       if(Utils.verifyLang(lang)){
         this.loadAtlas(`types_${lang}`, '');
       }

src/locales/IMPORTANT LOCALIZATION INFO

@@ -0,0 +1,12 @@
+In case a new lang is added, it should be added to the function verifyLang of Utils as well, but only after
+adding all the necessary lang images:
+    - starter_select_bg_LANGNAME
+    - summary_bg_LANGNAME
+    - summary_moves_LANGNAME
+    - summary_moves_effect_LANGNAME
+    - summary_profile_LANGNAME
+    - summary_stats_LANGNAME
+    - summary_tabs_1_LANGNAME
+    - summary_tabs_2_LANGNAME
+    - summary_tabs_3_LANGNAME
+These images should be added to the legacy folder as well

src/ui/summary-ui-handler.ts

@@ -804,7 +804,7 @@ export default class SummaryUiHandler extends UiHandler {
         stats.forEach((stat, s) => {
           const statName = stat !== Stat.HP
             ? getStatName(stat)
-            : 'HP';
+            : i18next.t('pokemonStat:HP');
           const rowIndex = s % 3;
           const colIndex = Math.floor(s / 3);