feat: use set_fact to set binary_type

[redscholar]

What type of PR is this?

/kind documentation

What this PR does / why we need it:

1. Use set_fact to set the binary_type instance of register.
2. Fix duplicate parsing of the assert message.

Which issue(s) this PR fixes:

Fixes #

Special notes for reviewers:

Does this PR introduced a user-facing change?

none

Additional documentation, usage docs, etc.:

[kubesphere-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: redscholar

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[sonarqubecloud[bot]]

Quality Gate failed

Failed conditions
3.9% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud