fix: prevent asset conflicts between React and Grid.js versions

Add coexistence checks to all enqueue methods to prevent loading
both React and Grid.js assets simultaneously.

Changes:
- ReactAdmin.php: Only enqueue React assets when ?react=1
- Init.php: Skip Grid.js when React active on admin pages
- Form.php, Coupon.php, Access.php: Restore classic assets when ?react=0
- Customer.php, Product.php, License.php: Add coexistence checks

Now the toggle between Classic and React versions works correctly.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

node_modules/ajv/scripts/publish-built-version

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ -n $TRAVIS_TAG && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  echo "About to publish $TRAVIS_TAG to ajv-dist..."
+
+  git config user.email "$GIT_USER_EMAIL"
+  git config user.name "$GIT_USER_NAME"
+
+  git clone https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv-dist.git ../ajv-dist
+
+  rm -rf ../ajv-dist/dist
+  mkdir ../ajv-dist/dist
+  cp ./dist/ajv.* ../ajv-dist/dist
+  cat bower.json | sed 's/"name": "ajv"/"name": "ajv-dist"/' > ../ajv-dist/bower.json
+  cd ../ajv-dist
+
+  if [[ `git status --porcelain` ]]; then
+    echo "Changes detected. Updating master branch..."
+    git add -A
+    git commit -m "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin master > /dev/null 2>&1
+  fi
+
+  echo "Publishing tag..."
+
+  git tag $TRAVIS_TAG
+  git push --tags > /dev/null 2>&1
+
+  echo "Done"
+fi