chore: fix standard coin name

[poorphd]

Description

Changing the standard coin name that was not properly modified while forking Iris's code
Closes: #XXXX

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Author Checklist

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I have...

• targeted the correct branch (see PR Targeting)
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• included the necessary unit and integration tests
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Reviewers Checklist

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I have...

• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[dudong2]

LGTM

[zsystm]

LGTM