refactor(@schematics/angular): add fallback fonts

Just in case Inter Tight is not available.

(cherry picked from commit a2fa0c9)

Author: alan-agius4

packages/schematics/angular/application/files/common-files/src/app/app.component.html.template

@@ -51,7 +51,9 @@
     line-height: 100%;
     letter-spacing: -0.125rem;
     margin: 0;
-    font-family: "Inter Tight";
+    font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
+      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
+      "Segoe UI Symbol";
   }
 
   p {