Make saving the configuration more robust (#594)

* feat: Make saving the configuration more robust

* parse backup user config before return

* fix some bug

* Add write-userconfig.js and invalid-config.bin

* throw exception if failed user config parsing

* Merge branch 'master' into feat-467-make-save-more-robust

* hide keymaps and macros if agent in restore mode

* fix Device name settings

packages/uhk-web/src/app/models/restore-configuration-state.ts

@@ -0,0 +1,4 @@
+export interface RestoreConfigurationState {
+    restoringUserConfiguration: boolean;
+    hasBackupUserConfiguration: boolean;
+}

packages/uhk-web/src/app/models/side-menu-page-state.ts

@@ -0,0 +1,11 @@
+import { Keymap, Macro } from 'uhk-common';
+
+export interface SideMenuPageState {
+    showAddonMenu: boolean;
+    runInElectron: boolean;
+    updatingFirmware: boolean;
+    deviceName: string;
+    keymaps: Keymap[];
+    macros: Macro[];
+    restoreUserConfiguration: boolean;
+}