Restore wait_for_nonzero_fees to TestValidatorGenesis::start_with_mint_address

[CriesofCarrots]

Problem

solana-tokens tests are flaky. Errors look like this:

thread 'commands::tests::test_check_payer_balances_distribute_tokens_separate_payers' panicked at 'assertion failed: `(left == right)`
  left: `"0.0000025"`,
 right: `"0"`', tokens/src/commands.rs:1757:13

This is because the logic to wait for non-zero fees didn't make it into TestValidatorGenesis::start_with_mint_address here: #22738

Summary of Changes

Some DRY to bring TestValidatorGenesis::start_with_mint_address back into the fold. solana-tokens tests now pass consistently

[codecov]

Codecov Report

Merging #23160 (b0c13fe) into master (197f42d) will decrease coverage by 0.0%.
The diff coverage is 88.8%.

@@            Coverage Diff            @@
##           master   #23160     +/-   ##
=========================================
- Coverage    81.3%    81.3%   -0.1%     
=========================================
  Files         567      567             
  Lines      154388   154388             
=========================================
- Hits       125605   125565     -40     
- Misses      28783    28823     +40     

[mvines]

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