feat(fs): cross platform approach to get file name from filepath

[VulnX]

Closes #1775

Reason

On desktop platforms, obtaining the file name from a file path is straightforward, as it is directly embedded in the path's last part. However, on Android, the situation differs. When a file is opened via the dialog plugin (see note here), a content URI is returned instead of a file path. To extract the actual file name from this URI, Android-specific APIs must be accessed via Kotlin.

Changes

A new fileName() function has been added to the guest JS API. This function internally calls the file_name() command, which acts as a thin wrapper around platform-specific implementations of the Fs struct defined in mobile.rs and desktop.rs.

For Android, the file name is resolved by querying the content URI with contentResolver.query, specifically retrieving the OpenableColumns.DISPLAY_NAME column to extract the file name.

This change enables Tauri's file system plugin to correctly retrieve file names from any path.

[github-actions]

Package Changes Through 3da78ca

There are 2 changes which include log with patch, log-js with patch

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
api-example	2.0.17	2.0.18
api-example-js	2.0.13	2.0.14
log	2.2.1	2.2.2
log-js	2.2.1	2.2.2

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