Mobile click accessibility (#11447)

src/entrypoints/app.ts

@@ -1,7 +1,11 @@
-import { setPassiveTouchGestures } from "@polymer/polymer/lib/utils/settings";
+import {
+  setPassiveTouchGestures,
+  setCancelSyntheticClickEvents,
+} from "@polymer/polymer/lib/utils/settings";
 import "../layouts/home-assistant";
 import "../resources/ha-style";
 import "../resources/roboto";
 import "../util/legacy-support";
 
 setPassiveTouchGestures(true);
+setCancelSyntheticClickEvents(false);

src/entrypoints/authorize.ts

@@ -1,11 +1,14 @@
 // Compat needs to be first import
 import "../resources/compatibility";
+import { setCancelSyntheticClickEvents } from "@polymer/polymer/lib/utils/settings";
 import "../auth/ha-authorize";
 import "../resources/ha-style";
 import "../resources/roboto";
 import "../resources/safari-14-attachshadow-patch";
 import "../resources/array.flat.polyfill";
 
+setCancelSyntheticClickEvents(false);
+
 /* polyfill for paper-dropdown */
 setTimeout(
   () => import("web-animations-js/web-animations-next-lite.min"),

src/entrypoints/custom-panel.ts

@@ -1,5 +1,6 @@
 // Compat needs to be first import
 import "../resources/compatibility";
+import { setCancelSyntheticClickEvents } from "@polymer/polymer/lib/utils/settings";
 import "../resources/safari-14-attachshadow-patch";
 
 import { PolymerElement } from "@polymer/polymer";
@@ -15,6 +16,8 @@ import { createCustomPanelElement } from "../util/custom-panel/create-custom-pan
 import { loadCustomPanel } from "../util/custom-panel/load-custom-panel";
 import { setCustomPanelProperties } from "../util/custom-panel/set-custom-panel-properties";
 
+setCancelSyntheticClickEvents(false);
+
 declare global {
   interface Window {
     loadES5Adapter: () => Promise<unknown>;
@@ -47,7 +50,7 @@ function initialize(
 ) {
   const style = document.createElement("style");
 
-  style.innerHTML = `body { margin:0; } 
+  style.innerHTML = `body { margin:0; }
   @media (prefers-color-scheme: dark) {
     body {
       background-color: #111111;

src/entrypoints/onboarding.ts

@@ -1,11 +1,14 @@
 // Compat needs to be first import
 import "../resources/compatibility";
+import { setCancelSyntheticClickEvents } from "@polymer/polymer/lib/utils/settings";
 import "../onboarding/ha-onboarding";
 import "../resources/ha-style";
 import "../resources/roboto";
 import "../resources/safari-14-attachshadow-patch";
 import "../resources/array.flat.polyfill";
 
+setCancelSyntheticClickEvents(false);
+
 declare global {
   interface Window {
     stepsPromise: Promise<Response>;

src/resources/compatibility.ts

@@ -1,3 +1,4 @@
+// Caution before editing - For latest builds, this module is replaced with emptiness and thus not imported (see build-scripts/bundle.js)
 import "core-js";
 import "regenerator-runtime/runtime";
 import "lit/polyfill-support";