Fix preview bar on mobile

Fixes #1947 and #1943

src/js-components/previewBar.ts

@@ -224,16 +224,12 @@ class PreviewBar {
         }
     }
 
-    createElement(parent: HTMLElement): void {
-        this.parent = parent;
+    createElement(parent?: HTMLElement): void {
+        if (parent) this.parent = parent;
 
         if (this.onMobileYouTube) {
-            if (parent.classList.contains("progress-bar-background")) {
-                parent.style.backgroundColor = "rgba(255, 255, 255, 0.3)";
-                parent.style.opacity = "1";
-            }
-
             this.container.style.transform = "none";
+            this.container.style.height = "var(--yt-progress-bar-height)";
         } else if (!this.onInvidious) {
             this.container.classList.add("sbNotInvidious");
         }

src/js-components/skipButtonControlBar.ts

@@ -3,6 +3,7 @@ import { SegmentUUID, SponsorTime } from "../types";
 import { getSkippingText } from "../utils/categoryUtils";
 import { AnimationUtils } from "../utils/animationUtils";
 import { keybindToString } from "../../maze-utils/src/config";
+import { isMobileControlsOpen } from "../utils/mobileUtils";
 
 export interface SkipButtonControlBarProps {
     skip: (segment: SponsorTime) => void;
@@ -183,10 +184,8 @@ export class SkipButtonControlBar {
     }
 
     updateMobileControls(): void {
-        const overlay = document.getElementById("player-control-overlay");
-
-        if (overlay && this.enabled) {
-            if (overlay?.classList?.contains("fadein")) {
+        if (this.enabled) {
+            if (isMobileControlsOpen()) {
                 this.showButton();
             } else {
                 this.hideButton();