update prefixcss, deal with string comparison in ngclass cases

package-lock.json

 {
   "name": "netex",
-  "version": "1.0.4-rc2",
+  "version": "1.0.6-rc1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

 {
   "name": "netex",
-  "version": "1.0.4-rc2",
+  "version": "1.0.6-rc1",
   "scripts": {
     "ng": "ng",
     "start:dev": "ng serve --configuration=dev",