Cleaned up dispatch iOS fixes (#396)

* Attempting to fix crashing on iOS devices

plus I forgot a thing in string.format

* Removed unnecessary things

src/main/java/emu/grasscutter/game/Account.java

@@ -74,7 +74,11 @@ public class Account {
 	}
 	
 	public String getEmail() {
-		return email;
+		if(email != null && !email.isEmpty()) {
+			return email;
+		} else {
+			return "";
+		}
 	}
 
 	public void setEmail(String email) {