upgraded ionicons to version 8

apps/client/src/app/pages/about/overview/about-overview-page.html

@@ -81,7 +81,7 @@
             mat-icon-button
             title="Join the Ghostfolio Slack community"
           >
-            <ion-icon name="logo-slack" />
+            <ion-icon name="logo-stackoverflow" />
           </a>
           <a
             class="mx-2"

apps/client/src/app/pages/portfolio/x-ray/x-ray-page-routing.module.ts

@@ -2,6 +2,7 @@ import { AuthGuard } from '@ghostfolio/client/core/auth.guard';
 
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
+import { IonIcon } from '@ionic/angular/standalone';
 
 import { XRayPageComponent } from './x-ray-page.component';
 
@@ -15,7 +16,7 @@ const routes: Routes = [
 ];
 
 @NgModule({
-  imports: [RouterModule.forChild(routes)],
+  imports: [IonIcon, RouterModule.forChild(routes)],
   exports: [RouterModule]
 })
 export class XRayPageRoutingModule {}

apps/client/src/app/pages/register/register-page-routing.module.ts

@@ -3,6 +3,7 @@ import { publicRoutes } from '@ghostfolio/common/routes/routes';
 
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
+import { IonIcon } from '@ionic/angular/standalone';
 
 import { RegisterPageComponent } from './register-page.component';
 
@@ -16,7 +17,7 @@ const routes: Routes = [
 ];
 
 @NgModule({
-  imports: [RouterModule.forChild(routes)],
+  imports: [IonIcon, RouterModule.forChild(routes)],
   exports: [RouterModule]
 })
 export class RegisterPageRoutingModule {}