make old theme tab truly deprecated

src/components/settings_modal/settings_modal_user_content.js

@@ -64,6 +64,9 @@ const SettingsModalContent = {
     },
     bodyLock () {
       return this.$store.state.interface.settingsModalState === 'visible'
+    },
+    expertLevel () {
+      return this.$store.state.config.expertLevel
     }
   },
   methods: {

src/components/settings_modal/settings_modal_user_content.vue

@@ -28,7 +28,8 @@
       <StyleTab />
     </div>
     <div
-      :label="$t('settings.theme')"
+      v-if="expertLevel > 0"
+      :label="$t('settings.theme_old')"
       icon="paint-brush"
       data-tab-name="theme"
     >

src/i18n/en.json

@@ -701,6 +701,7 @@
     "use_websockets": "Use websockets (Realtime updates)",
     "text": "Text",
     "theme": "Theme",
+    "theme_old": "Theme (old)",
     "theme_help": "Use hex color codes (#rrggbb) to customize your color theme.",
     "theme_help_v2_1": "You can also override certain component's colors and opacity by toggling the checkbox, use \"Clear all\" button to clear all overrides.",
     "theme_help_v2_2": "Icons underneath some entries are background/text contrast indicators, hover over for detailed info. Please keep in mind that when using transparency contrast indicators show the worst possible case.",