leave onChange alone if another plugin patched it after us

main.js

@@ -24,7 +24,8 @@ module.exports = class RibbonClasp extends Plugin {
     this.debouncedEnforce?.cancel();
 
     const ribbon = this.getRibbon();
-    if (ribbon && this.originalOnChange) {
+    // don't restore over someone else's patch, just go inert instead
+    if (ribbon && ribbon.onChange === this.wrapper) {
       ribbon.onChange = this.originalOnChange;
     }
   }
@@ -56,12 +57,13 @@ module.exports = class RibbonClasp extends Plugin {
     const original = ribbon.onChange.bind(ribbon);
     this.originalOnChange = original;
 
-    ribbon.onChange = (save) => {
+    this.wrapper = (save) => {
       original(save);
-      if (save && !this.enforcing) {
+      if (save && !this.enforcing && !this.unloaded) {
         this.recordOrder(ribbon);
       }
     };
+    ribbon.onChange = this.wrapper;
   }
 
   enforceOrder() {