pySim.app: Properly reset card state after reading EID

The code had two problems:

* the RESET was only performed in the successful case, but not if
  some exceptio was raised

* the RESET was a low-level reset bypassing the RuntimeState,
  so the lchan.selected_file was stale afterwards

Fixes: Change-Id Idc2ea1d9263f39b3dff403e1535a5e6c4e88b26f

Change-Id: Ib23d3d5b58b456a25157a622c1010c81cd8b2213

pySim/app.py

@@ -116,6 +116,7 @@ def init_card(sl: LinkBase) -> Tuple[RuntimeState, SimCardBase]:
         except SwMatchError:
             # has ISD-R but not a SGP.22/SGP.32 eUICC - maybe SGP.02?
             pass
-        card.reset()
+        finally:
+            rs.reset()
 
     return rs, card