We have not seen reports of this issue. The Hawaii N-11 instructions do not say to include a standard deduction amount if claiming itemized deductions.
The N-11 instructions for Line 24 say that line is "Line 20 minus line 22 or 23, whichever applies," suggesting Line 23 if unnecessary if you are claiming an amount on Line 22.
Otherwise such instructions will generally say something like "enter the larger of line X or line Y," implying there are amounts on both lines.
Instructions for Form N-11 Rev 2020
TurboTax does have a 100% Accurate Calculation Guarantee for both state and federal. If Hawaii penalizes you, can can file an accuracy guarantee claim.
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