pySim/cat: Fix "Decode the "Type of Comand" from numeric value to a string"

This fixes a bug introduced in Change-Id: I833ec02bf281fe49de2be326018e91f521de52c0

Change-Id: I8b466c123173a5be335df3e1d77ef1c5f717a7d9
---
M pySim/cat.py
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/pySim/cat.py b/pySim/cat.py
index 875806c..bfd22b4 100644
--- a/pySim/cat.py
+++ b/pySim/cat.py
@@ -1191,7 +1191,7 @@
         pcmd.from_tlv(binary)
         cmd_details = pcmd.find_cmd_details()
         # then do a second decode stage for the specific
-        cmd_type = cmd_details.decoded['type_of_command']
+        cmd_type = TypeOfCommand.encmapping[cmd_details.decoded['type_of_command']]
         if cmd_type in self.members_by_tag:
             cls = self.members_by_tag[cmd_type]
             inst = cls()

