fixed UI

data_acq_and_processing/processing/processors/include/gpr_processor.hpp

@@ -15,4 +15,15 @@ class GprProcessor final : public ProcessorInterface {
     ) -> ipc::ResultCollection override;
 };
 
+class LegacyGprProcessor final : public ProcessorInterface {
+  public:
+    [[nodiscard]] auto name() const -> std::string override;
+    [[nodiscard]] auto process_collection(
+        const config::RunConfig& run_config,
+        const ipc::PreprocessedCollection& collection,
+        std::span<const ipc::PreprocessedCollection> previous_collections,
+        const ProcessingLiveConfig& live_config
+    ) -> ipc::ResultCollection override;
+};
+
 }  // namespace radar::processing