demo(app): updated angular material and cdk to v7.0.2

Author: AnthonyNahas

demo/package-lock.json

@@ -27,14 +27,14 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "7.0.2",
-    "@angular/cdk": "^7.0.2",
+    "@angular/cdk": "^7.0.3",
     "@angular/common": "7.0.2",
     "@angular/compiler": "7.0.2",
     "@angular/core": "7.0.2",
     "@angular/flex-layout": "^7.0.0-beta.19",
     "@angular/forms": "7.0.2",
     "@angular/http": "7.0.2",
-    "@angular/material": "^7.0.2",
+    "@angular/material": "^7.0.3",
     "@angular/platform-browser": "7.0.2",
     "@angular/platform-browser-dynamic": "7.0.2",
     "@angular/platform-server": "7.0.2",