fix(desktop): hide app extension in DMG + trigger build

[kodjima33]

Triggers Codemagic build to test dmgbuild DMG fix (v0.11.167-168 were dropped).

[greptile-apps]

Greptile Summary

This PR adds a single hide_extensions setting to desktop/dmg-assets/dmgbuild_settings.py so that the .app extension is hidden for the application icon in the DMG Finder window — a standard macOS installer convention. The PR also serves as a Codemagic build trigger after versions v0.11.167-168 were dropped.

• hide_extensions = [app_name + ".app"] is added, using exactly the same pattern already present in icon_locations, keeping the configuration consistent.
• The setting is placed in a logical position between icon layout and volume icon configuration.
• No functional or logic issues found; the change is minimal, correct, and well-scoped.

Confidence Score: 5/5

• Safe to merge — single-line config addition with no side-effects beyond hiding the .app extension label in the DMG window.
• The change is a one-liner that uses an established pattern already present in the same file (icon_locations uses the identical app_name + ".app" expression). The hide_extensions key is a standard dmgbuild setting. No logic, security, or data-loss risk involved.
• No files require special attention.

Important Files Changed

Filename	Overview
desktop/dmg-assets/dmgbuild_settings.py	Adds hide_extensions setting so the .app suffix is hidden for the app icon in the DMG Finder window — consistent with how icon_locations already references the same app_name + ".app" key.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Codemagic CI build] --> B[dmgbuild invoked with\napp_path, app_name, assets_dir]
    B --> C[dmgbuild_settings.py evaluated]
    C --> D[files = app_path included]
    C --> E[icon_locations: app placed at 155,175\nApplications symlink at 455,175]
    C --> F[hide_extensions: app_name + '.app'\nhides .app suffix in Finder window]
    C --> G[background & volume icon applied]
    D & E & F & G --> H[dmgbuild writes .DS_Store directly]
    H --> I[Compressed UDBZ DMG output]

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_{Reviews (1): Last reviewed commit: "fix(desktop): hide app extension in DMG ..." | Re-trigger Greptile}