fix(emqx_authn): verify_claims is list(), therefor default must match

apps/emqx_authn/src/emqx_authn.app.src

@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_authn, [
     {description, "EMQX Authentication"},
-    {vsn, "0.1.20"},
+    {vsn, "0.1.21"},
     {modules, []},
     {registered, [emqx_authn_sup, emqx_authn_registry]},
     {applications, [kernel, stdlib, emqx_resource, emqx_connector, ehttpc, epgsql, mysql, jose]},

apps/emqx_authn/src/simple_authn/emqx_authn_jwt.erl

@@ -158,12 +158,15 @@ verify_claims(type) ->
 verify_claims(desc) ->
     ?DESC(?FUNCTION_NAME);
 verify_claims(default) ->
-    #{};
+    [];
 verify_claims(validator) ->
     [fun do_check_verify_claims/1];
 verify_claims(converter) ->
-    fun(VerifyClaims) ->
-        [{to_binary(K), V} || {K, V} <- maps:to_list(VerifyClaims)]
+    fun
+        (VerifyClaims) when is_map(VerifyClaims) ->
+            [{to_binary(K), V} || {K, V} <- maps:to_list(VerifyClaims)];
+        (VerifyClaims) ->
+            VerifyClaims
     end;
 verify_claims(required) ->
     false;