Add back old hack because it's still needed

src/plugins/vuetify.js

@@ -1,6 +1,9 @@
 import Vue from 'vue'
 import Vuetify from 'vuetify/lib/framework'
 
+import { isString } from 'lodash-es'
+import { COLOR_SCHEME_STATES } from '@/store/prefs-store'
+
 Vue.use(Vuetify)
 
 export default new Vuetify({
@@ -9,7 +12,25 @@ export default new Vuetify({
 	},
 	theme: {
 		// There's apparently a race condition that causes components being rendered shortly before dark mode initialization unable to change to dark mode
-		dark: false,
+		dark: (() => {
+			// Partly duplicated in App.vue
+			try {
+				const LSValue = window.localStorage.getItem('COLOR_SCHEME')
+				if (isString(LSValue) && LSValue.length !== 0) {
+					const state = JSON.parse(LSValue)
+					switch (state) {
+						case COLOR_SCHEME_STATES.SYSTEM:
+							return window.matchMedia('(prefers-color-scheme: dark)').matches
+						case COLOR_SCHEME_STATES.DARK:
+							return true
+						case COLOR_SCHEME_STATES.LIGHT:
+							return false
+					}
+				}
+			} catch (e) {
+				return false
+			}
+		})(),
 		themes: {
 			light: {
 				primary: '#455A64',