Stop using @electron/remote to obtain app.getPath() (#4078)

* Stop using remote to obtain app.getPath()

- Initialize entire map in bootstrap()

- Updated unit tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Resolve PR comments

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix test

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix build

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Ensure that init can only be called once and catch errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Replace basically all uses of app.getPath() with AppPaths.get()

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix unit tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

__mocks__/electron.ts

@@ -26,11 +26,6 @@ export default {
     getLocale: jest.fn().mockRejectedValue("en"),
     getPath: jest.fn(() => "tmp"),
   },
-  remote: {
-    app: {
-      getPath: jest.fn()
-    }
-  },
   dialog: jest.fn(),
   ipcRenderer: {
     on: jest.fn()