chore(scenery): changed appearance of the return button

src/locales/en.json

@@ -543,7 +543,7 @@
     "no-users": "NO ACTIVE PLAYERS",
     "no-spawns": "NO OPEN SPAWNS",
     "no-scenery": "Oops! This scenery doesn't exist!",
-    "return-btn": "Return",
+    "return-btn": "BACK TO THE LAST SITE",
     "history-btn": "View the dispatcher history",
     "info-btn": "Return to the scenery view",
     "authors-title": "Scenery author | Scenery authors",

src/locales/pl.json

@@ -529,7 +529,7 @@
     "no-users": "BRAK AKTYWNYCH GRACZY",
     "no-spawns": "BRAK OTWARTYCH SPAWNÓW",
     "no-scenery": "Ups! Ta sceneria nie istnieje!",
-    "return-btn": "Powrót",
+    "return-btn": "POWRÓT DO POPRZEDNIEJ STRONY",
     "history-btn": "Przejdź do widoku historii dyżurnych ruchu",
     "info-btn": "Wróć do widoku scenerii",
     "authors-title": "Autor scenerii | Autorzy scenerii",