feat(login): Added auth-guard to avoid unauthorized access

Squashed commit of the following:

commit c8f20f6ff0dee2257a4191d8e6771ed2fc364326
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 12:04:40 2021 +0200

    Removed current from currentUser and currentToken/currentExpiration

commit fef6b046861efe8cfacb5b5b1e9dbb86bff42336
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 10:42:27 2021 +0200

    Fixed some tests

commit f357546d3a61ad66d804a7cb36807985c8435974
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 09:41:47 2021 +0200

    Fixed linting

commit 85fdbaed8d922bec235e4987cc34464c1419a093
Merge: c93dd92 c06452d
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 09:29:55 2021 +0200

    Merged develop and resolved conflicts

commit c93dd925b06a0b8a0361a687165e9c3954e2050b
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 07:43:57 2021 +0200

    Moved some components to shared folder

commit aa1cc2b6240236149b0367363d4175fbdacf94dc
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Wed Jun 30 07:32:28 2021 +0200

    Removed comments and some unused code

commit 7b83eb9d9d368b7466189ab3588fa91697db49c0
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Tue Jun 29 14:56:02 2021 +0200

    Login-flow now works locally and against API

commit dab5a76f2b6e24447d85e237233053a3f23b1b39
Author: Erik Tiekstra <erik.tiekstra@arbetsformedlingen.se>
Date:   Tue Jun 29 12:50:24 2021 +0200

    Adjusted login-functionality to use a guard

angular.json

@@ -104,8 +104,8 @@
               "browserTarget": "dafa-web:build:production"
             },
             "api": {
-              "proxyConfig": "./config/proxy.conf.api.json",
-              "browserTarget": "dafa-web:build:api"
+              "browserTarget": "dafa-web:build:api",
+              "proxyConfig": "./config/proxy.conf.api.json"
             }
           }
         },