fix: do not consume ctrl-Z in textarea or input (#2441)

fix #2422

umap/static/umap/js/modules/umap.js

@@ -541,7 +541,13 @@ export default class Umap extends ServerStored {
           if (SAVEMANAGER.isDirty) this.saveAll()
           break
         case 'z':
-          if (SAVEMANAGER.isDirty) this.askForReset()
+          if (Utils.isWritable(event.target)) {
+            used = false
+            break
+          }
+          if (SAVEMANAGER.isDirty) {
+            this.askForReset()
+          }
           break
         case 'm':
           this._leafletMap.editTools.startMarker()

umap/static/umap/js/modules/utils.js

@@ -465,6 +465,12 @@ export class WithEvents {
   }
 }
 
+export function isWritable(element) {
+  if (['TEXTAREA', 'INPUT'].includes(element.tagName)) return true
+  if (element.isContentEditable) return true
+  return false
+}
+
 export const COLORS = [
   'Black',
   'Navy',