chore: upgrade angular => 7.x (#925)

* Merge branch 'master' into chore-upgrade-angular-to-7

* reformat files of the store

* set preserveWhitespaces = true

* delete console.log from AutoGrowInputComponent

* fix null pinter exception when set the keyaction on an undefined key

* speed tuning

* delete svg-keyboard-key animation

* revert electron logger upgrade

* improve animation speed of scg-keyboard-key component

* fix: popover keymap tab visibility

* fix: remove btn-line css class

packages/uhk-web/src/app/components/device/firmware/device-firmware.component.ts

@@ -1,7 +1,6 @@
 import { Component, OnDestroy } from '@angular/core';
 import { Store } from '@ngrx/store';
-import { Observable } from 'rxjs/Observable';
-import { Subscription } from 'rxjs/Subscription';
+import { Observable, Subscription } from 'rxjs';
 import { Constants, HardwareModules, VersionInformation } from 'uhk-common';
 
 import { OpenUrlInNewWindowAction } from '../../../store/actions/app';