Pull request

Description

This commit fixes Code Scanning warnings, in particular:

• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2548
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2549
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2550
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2551
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2552
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2554
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2555
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2556
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2557
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2558
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2559
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2560
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2561
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2562
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2563
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2564
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2565
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2566
• https://github.com/SRGSSR/pillarbox-android/security/code-scanning/2567

Changes made

• Use Android KTX extensions where possible.
• Address some Dependency Analysis warnings.

Checklist

• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).