TimePicker format matches locale of device

[rapterjet2004]

fixes #3326

Google's default time format is 12hr, I switched it to the time format of the device itself, whether it be 12 or 24

🖼️ Screenshots

🏚️ Before

issue-3326-before.webm

🏡 After

issue-3326-after.webm

🏁 Checklist

• ⛑️ Tests (unit and/or integration) are included or not needed
• 🔖 Capability is checked or not needed
• 🔙 Backport requests are created or not needed: /backport to stable-xx.x
• 📅 Milestone is set
• 🌸 PR title is meaningful (if it should be in the changelog: is it meaningful to users?)

[github-actions]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/3332-talk.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud Talk app.

[github-actions]

Codacy

Lint

Type	master	PR
Warnings	93	93
Errors	0	0

SpotBugs

Category	Base	New
Correctness	9	9
Dodgy code	123	123
Internationalization	5	5
Malicious code vulnerability	3	3
Performance	8	8
Security	2	2
Total	150	150

[nickvergessen]

Code looks okay and I trust the video :P

[AndyScherzinger]

tested successfully

[AndyScherzinger]

/backport to stable-17.1

[github-actions]

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