migrate and populat on reset

src/config.ts

@@ -189,7 +189,7 @@ const Config: SBObject = {
         hideSkipButtonPlayerControls: false,
         hideDiscordLaunches: 0,
         hideDiscordLink: false,
-        invidiousInstances: invidiousList,
+        invidiousInstances: ["invidious.snopyta.org"], // leave as default
         supportInvidious: false,
         serverAddress: CompileConfig.serverAddress,
         minDuration: 0,
@@ -433,6 +433,11 @@ function migrateOldFormats(config: SBConfig) {
     if (config["previousVideoID"] !== undefined) {
         chrome.storage.sync.remove("previousVideoID");
     }
+
+    // populate invidiousInstances with new instances if 3p support is **DISABLED**
+    if (!config["supportInvidious"]) {
+        config["invidiousInstances"] = invidiousList
+    }
 }
 
 async function setupConfig() {