better reverse proxy detection (#101)

frontend/src/atoms/settings.ts

@@ -127,7 +127,7 @@ export const listViewState = atom({
 
 export const servedFromReverseProxyState = atom({
   key: 'servedFromReverseProxyState',
-  default: localStorage.getItem('reverseProxy') === "true",
+  default: localStorage.getItem('reverseProxy') === "true" || window.location.port == "",
   effects: [
     ({ onSet }) =>
       onSet(a => localStorage.setItem('reverseProxy', a.toString()))

frontend/src/atoms/status.ts

@@ -27,6 +27,7 @@ export const freeSpaceBytesState = selector({
   key: 'freeSpaceBytesState',
   get: async ({ get }) => {
     const res = await get(rpcClientState).freeSpace()
+      .catch(() => ({ result: 0 }))
     return res.result
   }
 })