title: Converting between AccountId32 and AccountId in Substrate
body: <p>I have a requirement where i get passed in some bytes and i need to create an accountId from it in Substrate 2.0.</p>
  
  <p>Is there a way to convert between <code>AccountId32</code> and <code>&lt;T as frame_system::Trait&gt;::AccountId</code> in the runtime (FRAME) ? Or to create an instance of <code>&lt;T as frame_system::Trait&gt;::AccountId</code> from bytes? </p>
  
  <p>Thanks</p>