[LIGO-603] Add a hack to make non-inlined functions work

Problem: debugging contracts with non-inlined functions doesn't work.
I think the reason is the same as with conditionals.

Solution: add the same hack as with conditionals: skip one entry when
we face `LAMBDA` instruction.

tools/debugger/ligo-debugger/src/Language/LIGO/Debugger/Michelson.hs

@@ -157,6 +157,8 @@ michelsonInstrInnerBranches = \case
   DIP{} -> 1
   DIPN{} -> 1
 
+  LAMBDA{} -> 1
+
   _ -> 0
 
 -- | Read LIGO's debug output and produce