Check file name length doesn't exceed server's supported one

[daniele-verducci]

Check file name length doesn't exceed server's supported one

🏁 Checklist

• ⛑️ Tests (unit and/or integration) are included 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?)

🤖 AI (if applicable)

• The content of this PR was partly or fully generated using AI (N/A)

[github-actions]

Codacy

SpotBugs

Category	Base	New
Bad practice	32	32
Correctness	56	56
Dodgy code	184	184
Experimental	1	1
Malicious code vulnerability	2	2
Multithreaded correctness	26	26
Performance	35	35
Security	17	17
Total	353	353

[github-actions]

📱 QA build

Download	app-qa-debug.apk
QR code	Open the QR code for this download
Commit	4e035b9
Version	17736
Available until	7 days after this build

The QA build installs alongside a released Nextcloud app, so you can keep
using your existing install while testing.

Downloading the file requires a GitHub account, so open this link on the
device you want to test on, or transfer the APK to it.

[codecov]

Codecov Report

❌ Patch coverage is 4.34783% with 44 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
.../android/ui/dialog/ChooseTemplateDialogFragment.kt	0.00%	44 Missing ⚠️

📢 Thoughts on this report? Let us know!