ionic 4.0.0 icons for ios not working

**Description:**

Hi,

i upgrate today my ionic libary from 4.0.0-beta19 to 4.0.0
and after i run ionic serve -l the icons are not working and show me:

Failed to load resource: the server responded with a status of 404 (Not Found)
:8100/svg/ios-book.svg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
:8100/svg/ios-cube.svg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
:8100/svg/ios-cog.svg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
VM35:1 GET http://localhost:8100/svg/ios-log-out.svg 404 (Not Found)

**My `angular.json`:**

```
"assets": [
{
"glob": "**/*",
"input": "src/assets",
"output": "assets"
},
{
"glob": "**/*.svg",
"input": "node_modules/ionicons/dist/ionicons/svg",
"output": "./svg"
}
],

```

**My `Package.json`:**

```
{
"name": "app",
"version": "1.0.8",
"author": "Ionic Framework",
"homepage": "http://ionicframework.com/",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "~7.2.2",
"@angular/common": "~7.2.2",
"@angular/core": "~7.2.2",
"@angular/forms": "~7.2.2",
"@angular/http": "~7.2.2",
"@angular/platform-browser": "~7.2.2",
"@angular/platform-browser-dynamic": "~7.2.2",
"@angular/router": "~7.2.2",
"@ionic-native/app-version": "5.0.0",
"@ionic-native/core": "5.0.0",
"@ionic-native/local-notifications": "5.0.0",
"@ionic-native/network": "5.0.0",
"@ionic-native/splash-screen": "5.0.0",
"@ionic-native/status-bar": "5.0.0",
"@ionic/angular": "~4.0.0",
"@ionic/storage": "2.2.0",
"@types/axios": "^0.14.0",
"axios": "^0.18.0",
"cordova-android": "^7.1.4",
"cordova-ios": "^4.5.5",
"cordova-plugin-app-version": "0.1.9",
"cordova-plugin-badge": "0.8.8",
"cordova-plugin-device": "^2.0.2",
"cordova-plugin-ionic-keyboard": "^2.1.3",
"cordova-plugin-ionic-webview": "^3.1.1",
"cordova-plugin-local-notification": "0.9.0-beta.2",
"cordova-plugin-network-information": "2.0.1",
"cordova-plugin-splashscreen": "^5.0.2",
"cordova-plugin-statusbar": "^2.4.2",
"cordova-plugin-whitelist": "^1.3.3",
"core-js": "^2.6.3",
"ngx-pagination": "^3.2.1",
"rxjs": "~6.3.3",
"videogular2": "^6.4.0",
"zone.js": "~0.8.29"
},
"devDependencies": {
"@angular-devkit/architect": "~0.12.3",
"@angular-devkit/build-angular": "^0.12.3",
"@angular-devkit/core": "~7.2.2",
"@angular-devkit/schematics": "~7.2.2",
"@angular/cli": "~7.2.2",
"@angular/compiler": "~7.2.2",
"@angular/compiler-cli": "~7.2.2",
"@angular/language-service": "~7.2.2",
"@ionic/angular-toolkit": "~1.2.2",
"@ionic/lab": "~1.0.19",
"@types/core-js": "^2.5.0",
"@types/jasmine": "~3.3.7",
"@types/jasminewd2": "~2.0.6",
"@types/node": "~10.12.18",
"codelyzer": "~4.5.0",
"jasmine-core": "~3.3.0",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~4.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "~2.0.4",
"karma-jasmine": "~2.0.1",
"karma-jasmine-html-reporter": "^1.4.0",
"protractor": "~5.4.2",
"ts-node": "~7.0.1",
"tslint": "~5.12.1",
"typescript": "~3.2.4"
},
"description": "An Ionic project",
"cordova": {
"plugins": {
"cordova-plugin-whitelist": {},
"cordova-plugin-statusbar": {},
"cordova-plugin-device": {},
"cordova-plugin-splashscreen": {},
"cordova-plugin-ionic-webview": {},
"cordova-plugin-ionic-keyboard": {},
"cordova-plugin-streaming-media": {},
"cordova-plugin-network-information": {},
"cordova-plugin-local-notification": {},
"cordova-plugin-app-version": {}
},
"platforms": [
"android",
"ios"
]
}
}

```

**My `ionic info`:**

```
Ionic:

ionic (Ionic CLI) : 4.3.1 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 4.0.0
@angular-devkit/build-angular : 0.12.3
@angular-devkit/schematics : 7.2.3
@angular/cli : 7.2.3
@ionic/angular-toolkit : 1.2.2

Cordova:

cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
Cordova Platforms : android 7.1.4, ios 4.5.5
Cordova Plugins : cordova-plugin-ionic 5.2.7, cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 2.2.5, (and 11 other plugins)
```

Thanks