LV2 Host: Avoid removing anchors from plugin URIs when loading editors

modules/juce_audio_processors/format_types/juce_LV2PluginFormat.cpp

@@ -2579,15 +2579,8 @@ public:
     File bundlePath;
     URL pluginUri;
 
-    auto withBundlePath (File v) const noexcept { return with (&UiInstanceArgs::bundlePath, std::move (v)); }
-    auto withPluginUri  (URL v)  const noexcept { return with (&UiInstanceArgs::pluginUri,  std::move (v)); }
-
-private:
-    template <typename Member>
-    UiInstanceArgs with (Member UiInstanceArgs::* member, Member value) const noexcept
-    {
-        return juce::lv2_host::with (*this, member, std::move (value));
-    }
+    auto withBundlePath (File v) const noexcept { return withMember (*this, &UiInstanceArgs::bundlePath, std::move (v)); }
+    auto withPluginUri  (URL v)  const noexcept { return withMember (*this, &UiInstanceArgs::pluginUri,  std::move (v)); }
 };
 
 static File bundlePathFromUri (const char* uri)
@@ -2614,7 +2607,7 @@ public:
           mLV2_UI__floatProtocol   (map.map (LV2_UI__floatProtocol)),
           mLV2_ATOM__atomTransfer  (map.map (LV2_ATOM__atomTransfer)),
           mLV2_ATOM__eventTransfer (map.map (LV2_ATOM__eventTransfer)),
-          instance (makeInstance (args.pluginUri, args.bundlePath, features)),
+          instance (makeInstance (args, features)),
           idleCallback (getExtensionData<LV2UI_Idle_Interface> (world, LV2_UI__idleInterface))
     {
         jassert (descriptor != nullptr);
@@ -2682,14 +2675,14 @@ private:
     using Instance = std::unique_ptr<void, void (*) (LV2UI_Handle)>;
     using Idle = int (*) (LV2UI_Handle);
 
-    Instance makeInstance (const URL& pluginUri, const File& bundlePath, const LV2_Feature* const* features)
+    Instance makeInstance (const UiInstanceArgs& args, const LV2_Feature* const* features)
     {
         if (descriptor->get() == nullptr)
             return { nullptr, [] (LV2UI_Handle) {} };
 
         return Instance { descriptor->get()->instantiate (descriptor->get(),
-                                                          pluginUri.toString (false).toRawUTF8(),
-                                                          File::addTrailingSeparator (bundlePath.getFullPathName()).toRawUTF8(),
+                                                          args.pluginUri.toString (true).toRawUTF8(),
+                                                          File::addTrailingSeparator (args.bundlePath.getFullPathName()).toRawUTF8(),
                                                           writeFunction,
                                                           this,
                                                           &widget,