Fix synthui selector crashing on RMI sometimes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "SpessaSynth",
-  "version": "3.21.3",
+  "version": "3.21.4",
   "type": "module",
   "scripts": {
     "start": "node src/website/server/server.js"

src/website/js/manager/manager.js

@@ -136,9 +136,10 @@ class Manager
             console.warn("DEBUG ENABLED! DEBUGGING ENABLED!!");
         }
 
+        const prePath = isLocalEdition ? "../../../spessasynth_lib/" : "../../spessasynth_lib/";
         if (context.audioWorklet)
         {
-            await context.audioWorklet.addModule(new URL("../../spessasynth_lib/" + WORKLET_PATH, import.meta.url));
+            await context.audioWorklet.addModule(new URL(prePath + WORKLET_PATH, import.meta.url));
         }
         /**
          * set up soundfont
@@ -148,7 +149,7 @@ class Manager
 
         // set up buffer here (if we let spessasynth use the default buffer, there's no reverb for the first second.)
         const impulseURL = new URL(
-            "../../spessasynth_lib/synthetizer/audio_effects/impulse_response_2.flac",
+            prePath + "synthetizer/audio_effects/impulse_response_2.flac",
             import.meta.url
         );
         const response = await fetch(impulseURL);

src/website/js/synthesizer_ui/methods/synthui_selector.js

@@ -369,6 +369,10 @@ export class Selector
         const bank = parseInt(split[0]);
         const program = parseInt(split[1]);
         const name = this.elements.find(e => e.bank === bank && e.program === program);
+        if (!name)
+        {
+            return "";
+        }
         if (bank === 128 || this.elements.filter(e => e.program === program && e.bank !== 128).length < 2)
         {
             return `${program}. ${name.name}`;