Use global navigation history stack

The readers history stack was different to the one from the rest of the app, resulting in an infinite loop when using the closing the reader and using the back button in the manga page, since the back button just opened the reader again.

Regression introduced with 4bb458778e

src/components/context/NavbarContext.tsx

@@ -10,6 +10,8 @@ import React, { useContext, useEffect } from 'react';
 import { INavbarOverride } from '@/typings';
 
 type ContextType = {
+    history: string[];
+
     // Default back button url
     defaultBackTo: string | undefined;
     setDefaultBackTo: React.Dispatch<React.SetStateAction<string | undefined>>;
@@ -28,6 +30,7 @@ type ContextType = {
 };
 
 export const NavBarContext = React.createContext<ContextType>({
+    history: [],
     defaultBackTo: undefined,
     setDefaultBackTo: (): void => {},
     title: 'Suwayomi',