Problem: query decimals get reverted when Display doesn't match with DenomUnit for ibc token

[mmsqe]

Description

to avoid execution reverted when calling decimals from ibc dynamic precompile contract

Closes: #396

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[aljo242]

@mmsqe looks like we have a test consistently failing

[mmsqe]

@mmsqe looks like we have a test consistently failing

TestGetProposals seems flaky, seems not related to this change