unlimited assets : fix bug in AccountApplicationInformation handler

[tsachiherman]

Summary

AccountApplicationInformation was calling ledger.LookupResource with basics.AssetCreatable instead of basics.AppCreatable, resulting in a consistent failure.

Test Plan

Unit test will follow on a subsequent PR.

[codecov-commenter]

Codecov Report

Merging #3702 (df9d790) into feature/unlimited-assets (df44eaf) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@                     Coverage Diff                      @@
##           feature/unlimited-assets    #3702      +/-   ##
============================================================
+ Coverage                     49.55%   49.57%   +0.02%     
============================================================
  Files                           390      390              
  Lines                         68551    68551              
============================================================
+ Hits                          33970    33986      +16     
+ Misses                        30841    30830      -11     
+ Partials                       3740     3735       -5     

Impacted Files	Coverage Δ
daemon/algod/api/server/v2/handlers.go	0.00% <0.00%> (ø)
catchup/peerSelector.go	98.95% <0.00%> (-1.05%)	⬇️
network/wsNetwork.go	62.79% <0.00%> (-0.20%)	⬇️
ledger/acctupdates.go	68.34% <0.00%> (ø)
ledger/tracker.go	74.67% <0.00%> (+1.28%)	⬆️
network/requestTracker.go	71.55% <0.00%> (+1.29%)	⬆️
crypto/merkletrie/node.go	93.48% <0.00%> (+1.86%)	⬆️
crypto/merkletrie/trie.go	68.61% <0.00%> (+2.18%)	⬆️
ledger/blockqueue.go	85.05% <0.00%> (+4.02%)	⬆️

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