fix: fiat tracking / updating wallet without reloads (#2891)

lnbits/static/js/base.js

@@ -444,6 +444,9 @@ if (!window.g) {
     extensions: [],
     user: null,
     wallet: {},
+    fiatBalance: 0,
+    exchangeRate: 0,
+    fiatTracking: false,
     wallets: [],
     payments: [],
     allowedThemes: null,
@@ -822,7 +825,12 @@ window.windowMixin = {
     await this.checkUsrInUrl()
     this.themeParams()
     this.walletFlip = this.$q.localStorage.getItem('lnbits.walletFlip')
-    this.mobileSimple = this.$q.localStorage.getItem('lnbits.mobileSimple')
+    if (
+      this.$q.screen.gt.sm ||
+      this.$q.localStorage.getItem('lnbits.mobileSimple') == false
+    ) {
+      this.mobileSimple = false
+    }
   },
   mounted() {
     if (this.g.user) {