check for object before retrieving

idk why i am doing this and not just remove it since we dont support quilt anyway...

Author: Skidamek

core/src/main/java/pl/skidam/automodpack_core/utils/FileInspection.java

@@ -545,7 +545,7 @@ private static Object getModInfoFromJson(BufferedReader reader, Gson gson, Strin
                         case "server" -> LoaderManagerService.EnvironmentType.SERVER;
                         default -> LoaderManagerService.EnvironmentType.UNIVERSAL;
                     };
-                } else if (json.has("quilt_loader") && json.get("minecraft").getAsJsonObject().has("environment")) {
+                } else if (json.has("quilt_loader") && json.has("minecraft") && json.get("minecraft").getAsJsonObject().has("environment")) {
                     String environment = json.get("minecraft").getAsJsonObject().get("environment").getAsString();
                     if (environment == null) return LoaderManagerService.EnvironmentType.UNIVERSAL;
                     return switch (environment.toLowerCase()) {