Fix Docker build version detection

- Skip prebuild step in Docker when VERSION build arg is provided
- Prevent version-check.js from overwriting pre-generated version.js in Docker
- Fix Docker containers showing incorrect '-dev' suffix for release builds
- Use direct react-scripts build when version is pre-generated

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jmespath-playground",
-  "version": "1.1.5",
+  "version": "1.1.6",
   "description": "A React-based web application for testing JMESPath expressions against JSON data",
   "main": "index.js",
   "scripts": {