rewrite some flaky zombienet polkadot tests to zombienet-sdk (#6757)
Will fix:
https://github.com/paritytech/polkadot-sdk/issues/6574
https://github.com/paritytech/polkadot-sdk/issues/6644
https://github.com/paritytech/polkadot-sdk/issues/6062
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Co-authored-by: Javier Viola <[email protected]>