i18n: translate the P2P/Buy-Sell nav label per language

The Finance 'P2P/Buy-Sell' tile label was the hardcoded Latin string
'P2P/Buy-Sell' in all six locales, so it stayed untranslated (English) when
switching to Sorani/Farsi/Arabic/Turkish/Kurmancî. Keep the universal 'P2P'
token and translate the buy-sell part (TR Al-Sat, KMR Kirîn-Firotin,
CKB کڕین-فرۆشتن, FA خرید-فروش, AR بيع-شراء).

web/src/i18n/locales/tr.ts

@@ -3808,7 +3808,7 @@ export default {
   'mobile.app.bank': 'Banka',
   'mobile.app.exchange': 'Borsa',
   'mobile.app.dex': 'Pez-DEX',
-  'mobile.app.p2p': 'P2P/Buy-Sell',
+  'mobile.app.p2p': 'P2P/Al-Sat',
   'mobile.app.b2b': 'B2B',
   'mobile.app.bacZekat': 'Vergi/Zekat',
   'mobile.app.launchpad': 'Launchpad',