Respond to Copilot comment

(just a general readability refactor, no impact made)

Author: Lamparter

src/Files.App/Actions/Content/Archives/Decompress/BaseDecompressArchiveAction.cs

@@ -97,12 +97,8 @@ protected async Task DecompressArchiveHereAsync(bool smart = false)
 							return null;
 
 						var parts = fileName.Split(['/', '\\'], StringSplitOptions.RemoveEmptyEntries);
-						foreach (var part in parts)
-						{
-							if (part is "." or "..")
-								continue;
+						foreach (var part in parts.Where(part => part is not "." and not ".."))
 							return part;
-						}
 
 						return null;
 					}