pr mentioned changes

src/main/java/org/cryptomator/common/recovery/BackupRestorer.java

@@ -1,9 +1,10 @@
 package org.cryptomator.common.recovery;
 
-import static org.cryptomator.common.vaults.VaultState.Value.*;
-
 import java.io.IOException;
-import java.nio.file.*;
+import java.nio.file.Path;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.FileTime;
 import java.util.stream.Stream;
 
 import org.cryptomator.common.vaults.VaultState.Value;
@@ -13,19 +14,23 @@ public final class BackupRestorer {
 	private BackupRestorer() {}
 
 	public static boolean restoreIfPresent(Path vaultPath, Value vaultState) {
-		Path targetFile;
-		switch (vaultState) {
-			case VAULT_CONFIG_MISSING -> targetFile = vaultPath.resolve("vault.cryptomator");
-			case MASTERKEY_MISSING -> targetFile = vaultPath.resolve("masterkey.cryptomator");
-			default -> {
-				return false;
-			}
-		}
+		Path targetFile = switch (vaultState) {
+			case VAULT_CONFIG_MISSING -> vaultPath.resolve("vault.cryptomator");
+			case MASTERKEY_MISSING -> vaultPath.resolve("masterkey.cryptomator");
+			default -> throw new IllegalArgumentException("Unexpected vault state: " + vaultState);
+		};
 
 		try (Stream<Path> files = Files.list(vaultPath)) {
-			return files
-					.filter(file -> isValidBackupFileForState(file.getFileName().toString(), vaultState))
-					.findFirst()
+			return files.filter(file -> isValidBackupFileForState(file.getFileName().toString(), vaultState))
+					.max((f1, f2) -> {
+						try {
+							FileTime time1 = Files.getLastModifiedTime(f1);
+							FileTime time2 = Files.getLastModifiedTime(f2);
+							return time1.compareTo(time2);
+						} catch (IOException e) {
+							return 0;
+						}
+					})
 					.map(backupFile -> copyBackupFile(backupFile, targetFile))
 					.orElse(false);
 		} catch (IOException e) {