Add linux_arm and windows_x86 to cDAC dump test platforms#125793

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max-charlamb wants to merge 6 commits intodotnet:mainfrom

max-charlamb:cdac-dumptests-32bit

Commits on Mar 20, 2026

Add linux_arm and windows_x86 to cDAC dump test platforms

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Quote HelixTargetQueues in sendParams for bash safety

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Publish dump artifacts on test failure in single-leg mode

max-charlamb
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Fix dump publish condition to trigger on SucceededWithIssues

max-charlamb
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Use same Helix queue for windows_x86 as windows_x64

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Extract unsigned DAC registry logic into shared EnableUnsignedDac.props

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