build: fix to altool check in notarize.sh

[Wpc-121]

修复notarization_method未正确设置的问题，将altool检查逻辑移至else块中

[greptile-apps]

Greptile Summary

This PR fixes a two-part bug in the notarization tool-detection logic of scripts/notarize.sh. Previously, the altool check ran unconditionally after the notarytool check, so if both tools were present notarization_method would always be overwritten to run_altool; the check also had a stray output=xcrun prefix that ran altool with a spurious environment variable. Moving the altool block into the else branch correctly makes it a true fallback, and removing the prefix makes the availability probe syntactically clean. A typo ("Fallbqck") is also fixed.

Confidence Score: 5/5

Safe to merge — the logic fix is correct and the only remaining finding is a minor style suggestion on the availability probe.

The change is a clean, well-scoped bug fix with no new logic introduced. The single remaining comment is a P2 style suggestion (using xcrun -f as a safer availability probe) that does not block merge.

No files require special attention.

Important Files Changed

Filename	Overview
scripts/notarize.sh	Fixes tool-detection logic so altool is only checked as a fallback when notarytool is absent; also removes the bogus output=xcrun env-var prefix and fixes a typo "Fallbqck".

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Start: notarization_method=exit] --> B{xcrun notarytool\navailable?}
    B -- Yes --> C[notarization_method=run_notarytool]
    B -- No --> D{xcrun altool\navailable?}
    D -- Yes --> E[notarization_method=run_altool]
    D -- No --> F[notarization_method=exit]
    C --> G{method = exit?}
    E --> G
    F --> G
    G -- Yes --> H[echo error & exit]
    G -- No --> I{app dir exists?}
    I -- Yes --> J[zip & notarize app\nstaple app]
    I -- No --> K[skip app]
    J --> L{dmg exists?}
    K --> L
    L -- Yes --> M[notarize dmg\nstaple dmg]
    L -- No --> N[skip dmg]

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_{Reviews (1): Last reviewed commit: "fix(scripts): 修复notarize.sh中条件判断逻辑错误" | Re-trigger Greptile}