Handle missing plugins.

Fixes #24

react/src/PiPedalModel.tsx

@@ -1297,8 +1297,9 @@ class PiPedalModelImpl implements PiPedalModel {
 
         return nullCast(this.webSocket)
             .request<number>("saveCurrentPresetAs", request)
-            .then((data) => {
+            .then((newPresetId) => {
-                return data;
+                this.loadPreset(newPresetId);
+                return newPresetId;
             });
     }
     saveCurrentPluginPresetAs(pluginInstanceId: number, newName: string): Promise<number> {

react/src/PresetSelector.tsx

@@ -151,7 +151,7 @@ const PresetSelector =
                         return this.model.saveCurrentPresetAs(newName);
                     })
                     .then((newInstanceId) => {
-                        // s'fine. dealt with by updates, but we do need error handling.
+                        
                     })
                     .catch((error) => {
                         this.showError(error);

src/PiPedalModel.cpp

@@ -495,8 +495,9 @@ int64_t PiPedalModel::SaveCurrentPresetAs(int64_t clientId, const std::string &n
 {
     std::lock_guard<std::recursive_mutex> guard{mutex};
 
-    int64_t result = storage.saveCurrentPresetAs(this->pedalBoard, name, saveAfterInstanceId);
+    auto pedalboard = this->pedalBoard;
-    this->hasPresetChanged = false;
+    pedalboard.name(name);
+    int64_t result = storage.saveCurrentPresetAs(pedalboard, name, saveAfterInstanceId);
     FirePresetsChanged(clientId);
     return result;
 }