fix order getting wiped while other plugins are still loading

main.js

@@ -71,7 +71,7 @@ module.exports = class RibbonOrderLock extends Plugin {
       ribbon.onChange(true);
     }
 
-    this.recordOrder(ribbon);
+    this.mergeNewItems(ribbon);
   }
 
   recordOrder(ribbon) {
@@ -81,6 +81,18 @@ module.exports = class RibbonOrderLock extends Plugin {
     this.saveData(this.settings);
   }
 
+  // only append icons we haven't seen before instead of overwriting the
+  // whole order -- enforceOrder() runs during boot too, before every
+  // plugin has attached its icon yet, and a full overwrite there was
+  // wiping out the remembered position for anything still loading
+  mergeNewItems(ribbon) {
+    const known = new Set(this.settings.order);
+    const newIds = ribbon.items.map((item) => item.id).filter((id) => !known.has(id));
+    if (newIds.length === 0) return;
+    this.settings.order = [...this.settings.order, ...newIds];
+    this.saveData(this.settings);
+  }
+
   sameOrder(a, b) {
     return a.length === b.length && a.every((id, i) => id === b[i]);
   }