Polish codes about password details

- in Password.swift: allow get otpType
- in PasswordDetailTableVC.swift: make many things private
- in LabelTableViewCell: remove password and password entity
- in Globals: add password dots and fonts

pass/Helpers/Globals.swift

@@ -28,6 +28,9 @@ class Globals {
     static let passwordMaximumLength = 24
     static let passwordDefaultLength = 16
     
+    static let passwordDots = "••••••••••••"
+    static let passwordFonts = "Menlo"
+    
     private init() { }
 }