Game bar (#392)

* Fix games with custom touch control sometimes not showing touch icon

* Create game-bar with screenshot button

* Disable Game bar when opening the Guide

* Remove SCREENSHOT_BUTTON_POSITION pref

* Make the touch control action functional

* Show game bar when the game starts

* Fix 720p/High not working (#387)

* Update icons

* Update game bar's animations

* Reset states of Game bar actions before playing

* Don't show Touch control action on non-touch-supported devices

* Clean up

* Update translations

* Update actions' texts

* Clean up

src/assets/svg/camera.svg

@@ -0,0 +1,6 @@
+<svg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='#fff' fill-rule='evenodd' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' viewBox='0 0 32 32'>
+    <g transform="matrix(.150985 0 0 .150985 -3.32603 -2.72209)" fill="none" stroke="#fff" stroke-width="16">
+        <path d="M208 208H48c-8.777 0-16-7.223-16-16V80c0-8.777 7.223-16 16-16h32l16-24h64l16 24h32c8.777 0 16 7.223 16 16v112c0 8.777-7.223 16-16 16z"/>
+        <circle cx="128" cy="132" r="36"/>
+    </g>
+</svg>