FINERACT-2165: Migrate AccountRuleHelper and PeriodicAccrualAccountingHelper to fineract-client-feign

[elnafateh]

Description

Part of FINERACT-2165 system-wide migration of integration tests from RestAssured to fineract-client-feign.

Checklist

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• Write the commit message as per our guidelines
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[elnafateh]

Kindly rerun failed check, it's flaky

[adamsaghy]

Kindly review my concerns.

[elnafateh]

Kindly review my concerns.

@adamsaghy they're now resolved

[adamsaghy]

LGTM

[elnafateh]

kindly rerun failed check, it's flaky error