refactor(oc-file-list-adapter): kotlin

[alperozturk96]

Changes

• Converts the OCFileListAdapter.java to Kotlin
• Extract and simplifies the logic of it.
• Reorganizes the package structure

How to test?

1. Have nested folder and a lot of files for normal file list, shared, favorite
2. Test navigation, grid mode and file actions

🤖 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	25	25
Correctness	52	52
Dodgy code	164	162
Experimental	1	1
Malicious code vulnerability	2	1
Multithreaded correctness	20	20
Performance	30	29
Security	16	16
Total	310	306

[github-actions]

📱 QA build

Download	app-qa-debug.apk
QR code	Open the QR code for this download
Commit	2ffd6b8
Version	17814
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 46.93878% with 286 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...d/android/ui/adapter/filelist/OCFileListAdapter.kt	45.80%	158 Missing and 23 partials ⚠️
...d/ui/adapter/filelist/item/OCFileListItemBinder.kt	40.17%	49 Missing and 21 partials ⚠️
.../adapter/filelist/header/OCFileListHeaderBinder.kt	55.35%	16 Missing and 9 partials ⚠️
...ncloud/android/ui/fragment/OCFileListFragment.java	0.00%	2 Missing ⚠️
...ncloud/android/ui/fragment/OCFileListSearchTask.kt	0.00%	2 Missing ⚠️
.../com/owncloud/android/ui/adapter/GalleryAdapter.kt	0.00%	1 Missing ⚠️
.../android/ui/adapter/filelist/OCFileListViewType.kt	80.00%	0 Missing and 1 partial ⚠️
.../adapter/filelist/footer/OCFileListFooterBinder.kt	94.73%	0 Missing and 1 partial ⚠️
...oid/ui/adapter/filelist/item/OCFileListDelegate.kt	0.00%	0 Missing and 1 partial ⚠️
...er/filelist/recommended/RecommendedFilesAdapter.kt	0.00%	1 Missing ⚠️
... and 1 more

📢 Thoughts on this report? Let us know!