Handle setValue API call conversion between protocols

[mykola-mokhnach]

Addresses appium/appium#12085

[KazuCocoa]

I found org.json.JSONException happened after this change. (Haven't tested iOS)

https://gist.github.com/KazuCocoa/39deaf62f134714812ac64bb4a0b954d

[KazuCocoa]

https://github.com/appium/appium-uiautomator2-driver/blob/a91a34141634ecdb6928ecbd89312ef3042f1aa5/lib/commands/element.js#L60-L71 ?
In android case, setValueImmediate should be called..?

---

update:

https://github.com/appium/appium-android-driver/blob/bea2743dd5d868ab3eac966a08419ba47b29208c/lib/commands/element.js#L29 should be called in android case.

[KazuCocoa]

Should we send text and value in webcontext case like iOS?

https://github.com/appium/appium-xcuitest-driver/blob/fcbbddc101fcfca23bad952dd104bd86dde8bd99/lib/commands/element.js#L163

https://github.com/appium/appium-uiautomator2-driver/blob/a91a34141634ecdb6928ecbd89312ef3042f1aa5/lib/commands/element.js#L60-L71

(Espresso driver handles /value command in the server)

---

I imagine like below as a hotfix:

commands.setValue = async function (keys, elementId) {
+  if (this.isWebContext()) {
+    return await this.chromedriver.jwproxy.command(`/element/${elementId}/value`, 'POST', keys);
+  }
  return await this.setElementValue(keys, elementId, false);
};

[KazuCocoa]

Do you have a time to take a look ^?
@mykola-mokhnach