Fix edit SMB connection unable to populate value to dialog

[TranceLove]

Description

Fix parsing SMB URL by using android.net.Uri instead of java.net.URL to fix connection settings persistence.

Issue tracker

Fixes #4543

Automatic tests

• Added test cases

Manual tests

• Done

• Device: Pixel 4 XL emulator

• OS: Android 9

Changing SMB connection name shall keep the connection settings intact and working, even across restarts.

Screen_recording_20260404_113012.mp4

Build tasks success

Successfully running following tasks on local:

• ./gradlew assembledebug
• ./gradlew spotlessCheck

[Copilot]

Pull request overview

Fixes SMB edit-connection dialog field population by switching URL parsing from java.net.URL (which rejects smb:// as an unknown protocol) to android.net.Uri, ensuring existing connection details are correctly extracted and shown when editing.

Changes:

• Replace java.net.URL parsing with android.net.Uri.parse() in SmbConnectDialog to correctly parse smb:// URIs.
• Add Robolectric UI regression tests to verify edit-mode dialog fields are pre-filled for both authenticated and anonymous SMB connections.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
app/src/main/java/com/amaze/filemanager/ui/dialogs/SmbConnectDialog.java	Uses android.net.Uri to parse SMB URIs and populate edit dialog fields reliably.
app/src/test/java/com/amaze/filemanager/ui/dialogs/SmbConnectDialogTest.kt	Adds regression tests covering authenticated + anonymous edit prefill behavior (Issue #4543).

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