add file extension to search

src/main/java/ru/soune/nocopy/handler/FileEntityHandler.java

@@ -169,7 +169,7 @@ public class FileEntityHandler implements RequestHandler {
             FileResponse allFiles = fileEntityService.getUserFiles(userId, 1, 1000, request.getVersion());
 
             var filteredFiles = allFiles.getFiles().stream()
-                    .filter(f -> f.getOriginalFileName().toLowerCase()
+                    .filter(f -> (f.getOriginalFileName() + f.getFileExtension()).toLowerCase()
                             .contains(fileRequest.getQuery().toLowerCase()))
                     .toList();