Changes as per PR feedback (Igor), and cleared build warnings caused by casing...

Changes as per PR feedback (Igor), and cleared build warnings caused by casing in navigation.service.

Breeze.UI/src/app/shared/services/navigation.service.ts

 import { Injectable } from '@angular/core';
-import { Router, Event, NavigationEnd } from '@angular/router';
-import { filter } from 'rxjs/operator/filter';
-import { map } from 'rxjs/operator/map';
-import { ReplaySubject } from 'rxJs/ReplaySubject';
+import { Router, NavigationEnd } from '@angular/router';
+import { ReplaySubject } from 'rxjs/ReplaySubject';
 
 export enum Page {
     Bitcoin, Stratis

Breeze.UI/src/app/wallet/advanced/advanced.component.ts

@@ -53,7 +53,7 @@ export class AdvancedComponent implements OnInit, OnDestroy {
     }
 
     generateAddresses() {
-        this.addresses = [];
+        this.addresses.length = 0;
         this.generateAddressesSubs.disposable = this.advancedService.generateAddresses(Number(this.addressCount))
                                                          .monitor(this.generateAddressesLoadingState)
                                                          .subscribe(x => this.addresses = x);