feat: dapp browser privileges

- Create privilege dialogs dynamically for each privilege requested
- Check if a privilege has been granted before to determine if dialog must be shown or not
- If dapp is allowed to use privilege, save it in the settings

src/status/permissions.nim

@@ -34,7 +34,6 @@ proc newPermissionsModel*(events: EventEmitter): PermissionsModel =
 proc init*(self: PermissionsModel) =
   discard
 
-
 type Dapp* = object
   name*: string
   permissions*: HashSet[Permission]