Windows Portable: store settings in portable folder (#592)

Co-authored-by: MrGarlic <bsamans@samans.com>
Co-authored-by: vee <vendicated@riseup.net>

src/updater/main.ts

@@ -5,6 +5,7 @@
  */
 
 import { app, BrowserWindow, shell } from "electron";
+import { PORTABLE } from "main/constants";
 import { Settings, State } from "main/settings";
 import { handle } from "main/utils/ipcWrappers";
 import { makeLinksOpenExternally } from "main/utils/makeLinksOpenExternally";
@@ -23,17 +24,12 @@ let updateData: UpdateData;
 
 handle(IpcEvents.UPDATER_GET_DATA, () => updateData);
 handle(IpcEvents.UPDATER_DOWNLOAD, () => {
-    const portable = !!process.env.PORTABLE_EXECUTABLE_FILE;
-
     const { assets } = updateData.release;
     const url = (() => {
         switch (process.platform) {
             case "win32":
                 return assets.find(a => {
-                    if (!a.name.endsWith(".exe")) return false;
-
-                    const isSetup = a.name.includes("Setup");
-                    return portable ? !isSetup : isSetup;
+                    return a.name.endsWith(PORTABLE ? "win.zip" : ".exe");
                 })!.browser_download_url;
             case "darwin":
                 return assets.find(a =>