[DSC-1742] Resolves language change using query params during SSR

# Conflicts:
#	src/app/core/locale/locale.service.spec.ts
#	src/app/core/locale/locale.service.ts
#	src/app/core/locale/server-locale.service.ts

Author: alisaismailati

src/app/core/locale/locale.service.spec.ts

@@ -1,3 +1,4 @@
+import { PLATFORM_ID } from '@angular/core';
 import {
   TestBed,
   waitForAsync,
@@ -34,6 +35,7 @@ describe('LocaleService test suite', () => {
   let routeService;
   let document;
   let spyOnGetLanguage;
+  const platformId = 'browser';
 
 
   const translateServiceStub: any = {
@@ -72,6 +74,7 @@ describe('LocaleService test suite', () => {
           { provide: RouteService, useValue: routeServiceStub },
           { provide: TranslateService, useValue: translateServiceStub },
           { provide: Document, useValue: document },
+          { provide: PLATFORM_ID, useValue: platformId },
         ],
       });
     }));
@@ -82,7 +85,7 @@ describe('LocaleService test suite', () => {
       routeService = TestBed.inject(RouteService);
       window = new NativeWindowRef();
       document = { documentElement: { lang: 'en' } };
-      service = new LocaleService(window, cookieService, translateService, authService, routeService, document);
+      service = new LocaleService(window, cookieService, translateService, authService, routeService, document, platformId);
       serviceAsAny = service;
       spyOnGet = spyOn(cookieService, 'get');
       spyOnSet = spyOn(cookieService, 'set');

src/app/core/locale/locale.service.ts

@@ -1,7 +1,11 @@
-import { DOCUMENT } from '@angular/common';
+import {
+  DOCUMENT,
+  isPlatformBrowser,
+} from '@angular/common';
 import {
   Inject,
   Injectable,
+  PLATFORM_ID,
 } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import {
@@ -58,6 +62,7 @@ export class LocaleService {
     protected authService: AuthService,
     protected routeService: RouteService,
     @Inject(DOCUMENT) protected document: any,
+    @Inject(PLATFORM_ID) protected platformId: string,
   ) {
     this.initDefaults();
   }
@@ -69,7 +74,9 @@ export class LocaleService {
     this.routeService.getQueryParameterValue('lang').subscribe(lang => {
       if (lang && this.translate.getLangs().includes(lang)) {
         this.setCurrentLanguageCode(lang);
-        this.routeService.removeQueryParam('lang');
+        if (isPlatformBrowser(this.platformId)) {
+          this.routeService.removeQueryParam('lang');
+        }
       }
     });
   }

src/app/core/locale/server-locale.service.ts

@@ -2,6 +2,7 @@ import { DOCUMENT } from '@angular/common';
 import {
   Inject,
   Injectable,
+  PLATFORM_ID,
 } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import {
@@ -44,8 +45,9 @@ export class ServerLocaleService extends LocaleService {
     protected authService: AuthService,
     protected routeService: RouteService,
     @Inject(DOCUMENT) protected document: any,
+    @Inject(PLATFORM_ID) protected platformId: string,
   ) {
-    super(_window, cookie, translate, authService, routeService, document);
+    super(_window, cookie, translate, authService, routeService, document, platformId);
   }
 
   /**