fix: resources after empty directory not copied

[Legend-Master]

Regression from #14662, reference: #15380 (comment), and probably related to the behavior described in #15342 (comment)

Essentially, I didn't copy the last part of https://github.com/tauri-apps/tauri/pull/14662/changes#diff-05b40af0733ae504151e101f8975697c3af733653b9b546a86294305500b2a96L212-L217

[github-actions]

Package Changes Through 2de14a4

There are 5 changes which include tauri-bundler with minor, tauri-cli with minor, tauri-utils with minor, tauri with patch, tauri-build with minor

Planned Package Versions

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

package	current	next
tauri-utils	2.9.1	2.10.0
tauri-bundler	2.9.1	2.10.0
tauri-runtime	2.11.1	2.11.2
tauri-runtime-wry	2.11.1	2.11.2
tauri-codegen	2.6.1	2.6.2
tauri-macros	2.6.1	2.6.2
tauri-plugin	2.6.1	2.6.2
tauri-build	2.6.1	2.7.0
tauri	2.11.1	2.11.2
@tauri-apps/cli	2.11.1	2.11.2
tauri-cli	2.11.1	2.12.0

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