Remove preload.js in plugin uses and use front plugin injection

plugins/precise-volume/preload.js

@@ -1,28 +0,0 @@
-const { ipcRenderer } = require("electron");
-
-// Override specific listeners of volume-slider by modifying Element.prototype
-function overrideAddEventListener() {
-    // Events to ignore
-    const nativeEvents = ["mousewheel", "keydown", "keyup"];
-    // Save native addEventListener
-    Element.prototype._addEventListener = Element.prototype.addEventListener;
-    // Override addEventListener to Ignore specific events in volume-slider
-    Element.prototype.addEventListener = function (type, listener, useCapture = false) {
-        if (this.tagName === "TP-YT-PAPER-SLIDER") { // tagName of #volume-slider
-            for (const eventType of nativeEvents) {
-                if (eventType === type) {
-                    return;
-                }
-            }
-        }//else
-        this._addEventListener(type, listener, useCapture);
-    };
-}
-
-module.exports = () => {
-    overrideAddEventListener();
-    // Restore original function after did-finish-load to avoid keeping Element.prototype altered
-    ipcRenderer.once("restoreAddEventListener", () => { //called from Main to make sure page is completly loaded
-        Element.prototype.addEventListener = Element.prototype._addEventListener;
-    });
-};