pySim-shell: change Prompt character to "#" after "verify_adm"

Let's change the prompt from ">" to "#" when the user gains admin
privilegs using verify_adm.

Related: OS#6640
Change-Id: I957b9df7b5069b6fce5bf958c94e8ffda833c77f

pySim/runtime.py

@@ -53,6 +53,7 @@ class RuntimeState:
         # this is a dict of card identities which different parts of the code might populate,
         # typically with something like ICCID, EID, ATR, ...
         self.identity = {}
+        self.adm_verified = False
 
         # make sure the class and selection control bytes, which are specified
         # by the card profile are used
@@ -139,6 +140,7 @@ class RuntimeState:
             if lchan_nr == 0:
                 continue
             del self.lchan[lchan_nr]
+        self.adm_verified = False
         atr = i2h(self.card.reset())
         if cmd_app:
             cmd_app.lchan = self.lchan[0]