add check extensions

src/main/java/ru/soune/nocopy/controller/ApiController.java

@@ -387,11 +387,11 @@ public class ApiController {
             return false;
         }
 
-        return mimeType.startsWith("image/") ||
-                mimeType.startsWith("text/") ||
-                mimeType.equals("application/pdf") ||
-                mimeType.startsWith("video/") ||
-                mimeType.startsWith("audio/");
+        return mimeType.startsWith("image") ||
+                mimeType.startsWith("text") ||
+                mimeType.equals("pdf") ||
+                mimeType.startsWith("video") ||
+                mimeType.startsWith("audio");
     }
 
     private Long getUserIdFromToken(String tokenHeader) {