[Gekidou] upgrade to RN 68 (old arch) (#6138)

* upgrade to RN 68 (old arch)

* remove test setup unused & commented mock

* Android target set to 30

* Fix theme when opening app from push notification

* upgrade common mark

app/context/theme/index.tsx

@@ -8,8 +8,7 @@ import {Appearance, EventSubscription} from 'react-native';
 import {Preferences} from '@constants';
 import {queryPreferencesByCategoryAndName} from '@queries/servers/preference';
 import {observeCurrentTeamId} from '@queries/servers/system';
-import EphemeralStore from '@store/ephemeral_store';
-import {setNavigationStackStyles, setThemeDefaults} from '@utils/theme';
+import {setThemeDefaults, updateThemeIfNeeded} from '@utils/theme';
 
 import type {PreferenceModel} from '@database/models/server';
 import type Database from '@nozbe/watermelondb/Database';
@@ -34,15 +33,6 @@ export function getDefaultThemeByAppearance(): Theme {
 export const ThemeContext = createContext(getDefaultThemeByAppearance());
 const {Consumer, Provider} = ThemeContext;
 
-const updateThemeIfNeeded = (theme: Theme) => {
-    if (theme !== EphemeralStore.theme) {
-        EphemeralStore.theme = theme;
-        requestAnimationFrame(() => {
-            setNavigationStackStyles(theme);
-        });
-    }
-};
-
 const ThemeProvider = ({currentTeamId, children, themes}: Props) => {
     const getTheme = (): Theme => {
         if (currentTeamId) {