Added escape handling to remaining dialog windows

src/contents/ui/TodoPage.qml

@@ -231,9 +231,10 @@ Kirigami.ScrollablePage {
                     Kalendar.CalendarManager.addIncidence(incidenceWrapper);
                     addField.clear();
                 } else {
-                    QQC2.ApplicationWindow.window.pageStack.pushDialogLayer(collectionPickerSheetComponent, {
+                    const openDialogWindow = QQC2.ApplicationWindow.window.pageStack.pushDialogLayer(collectionPickerSheetComponent, {
                         incidenceWrapper: incidenceWrapper
                     });
+                    openDialogWindow.Keys.escapePressed.connect(function() { openDialogWindow.closeDialog() });
                 }
             }
         }

src/contents/ui/main.qml

@@ -307,6 +307,7 @@ Kirigami.ApplicationWindow {
                 width: Kirigami.Units.gridUnit * 30,
                 height: Kirigami.Units.gridUnit * 8
             });
+            openDialogWindow.Keys.escapePressed.connect(function() { openDialogWindow.closeDialog() });
         }
 
         function onImportIntoExistingFinished(success, total) {