Migrate to Angular 9

ui-ngx/package-lock.json

@@ -508,12 +508,9 @@
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     },
     "@angular/flex-layout": {
-      "version": "8.0.0-beta.27",
-      "resolved": "https://registry.npmjs.org/@angular/flex-layout/-/flex-layout-8.0.0-beta.27.tgz",
-      "integrity": "sha512-qmpvQPesU4ZQ56IscwgmVRpK2UnyV+gwvXUql7TMv0QV215hLcHczjGsrKkLfW2By5E7XEyDat9br72uVXcPMw==",
-      "requires": {
-        "tslib": "^1.7.1"
-      }
+      "version": "9.0.0-beta.29",
+      "resolved": "https://registry.npmjs.org/@angular/flex-layout/-/flex-layout-9.0.0-beta.29.tgz",
+      "integrity": "sha512-93sxR+kYfYMOdnlWL0Q77FZ428gg8XnBu0YZm6GsCdkw/vLggIT/G1ZAqHlCPIODt6pxmCJ5KXh4ShvniIYDsA=="
     },
     "@angular/forms": {
       "version": "9.0.0",