Feature(create_copy): add layer filter lock

src/Models/FilteredLayer.ts

@@ -24,7 +24,9 @@ export default class FilteredLayer {
 
     /**
      * Indicates if some filter is set.
-     * If this is the case, adding a new element of this type might be a bad idea
+     * If this is the case, adding a new element of this type might be a bad idea.
+     *
+     * Does not include the global filters
      */
     readonly hasFilter: Store<boolean>
 

src/Models/MenuState.ts

@@ -72,6 +72,12 @@ export class MenuState {
                 }
             })
         }
+
+        this.pageStates.filter.addCallback(opened => {
+            if(!opened){
+                this.highlightedLayerInFilters.set(undefined)
+            }
+        })
     }
 
     public openMenuIfNeeded(shouldShowWelcomeMessage: boolean, themeid: string) {