fix(files): Properly encode URLs when preparing ZIP download

Signed-off-by: Fabian Zwemke <fabian@zwemke.de>

apps/files/src/actions/downloadAction.ts

@@ -55,15 +55,15 @@ const downloadNodes = function(nodes: Node[]) {
 			url.searchParams.append('accept', 'zip')
 		}
 	} else {
-		url = new URL(nodes[0].source)
+		url = new URL(nodes[0].encodedSource)
 		let base = url.pathname
 		for (const node of nodes.slice(1)) {
-			base = longestCommonPath(base, (new URL(node.source).pathname))
+			base = longestCommonPath(base, (new URL(node.encodedSource).pathname))
 		}
 		url.pathname = base
 
 		// The URL contains the path encoded so we need to decode as the query.append will re-encode it
-		const filenames = nodes.map((node) => decodeURI(node.encodedSource.slice(url.href.length + 1)))
+		const filenames = nodes.map((node) => decodeURIComponent(node.encodedSource.slice(url.href.length + 1)))
 		url.searchParams.append('accept', 'zip')
 		url.searchParams.append('files', JSON.stringify(filenames))
 	}