Move EE differences for `app/assets/javascripts/environments/components/environments_app.vue`

The file `` has differences between CE and EE.

Diferences

diff --git a/home/yorickpeterse/Projects/gitlab/gdk-ce/gitlab/app/assets/javascripts/environments/components/environments_app.vue b/home/yorickpeterse/Projects/gitlab/gdk-ee/gitlab/app/assets/javascripts/environments/components/environments_app.vue
index 87c1d44dd40..30908182bf8 100644
--- a/home/yorickpeterse/Projects/gitlab/gdk-ce/gitlab/app/assets/javascripts/environments/components/environments_app.vue
+++ b/home/yorickpeterse/Projects/gitlab/gdk-ee/gitlab/app/assets/javascripts/environments/components/environments_app.vue
@@ -44,17 +44,49 @@ export default {
       type: String,
       required: true,
     },
+    // ee-only start
+    canaryDeploymentFeatureId: {
+      type: String,
+      required: true,
+    },
+    showCanaryDeploymentCallout: {
+      type: Boolean,
+      required: true,
+    },
+    userCalloutsPath: {
+      type: String,
+      required: true,
+    },
+    lockPromotionSvgPath: {
+      type: String,
+      required: true,
+    },
+    helpCanaryDeploymentsPath: {
+      type: String,
+      required: true,
+    },
+    // ee-only end
   },
 
   created() {
     eventHub.$on('toggleFolder', this.toggleFolder);
+    eventHub.$on('toggleDeployBoard', this.toggleDeployBoard);
   },
 
   beforeDestroy() {
     eventHub.$off('toggleFolder');
+    eventHub.$off('toggleDeployBoard');
   },
 
   methods: {
+    /**
+     * Toggles the visibility of the deploy boards of the clicked environment.
+     * @param {Object} model
+     */
+    toggleDeployBoard(model) {
+      this.store.toggleDeployBoard(model.id);
+    },
+
     toggleFolder(folder) {
       this.store.toggleFolder(folder);
 
@@ -108,6 +140,11 @@ export default {
       :pagination="state.paginationInformation"
       :can-create-deployment="canCreateDeployment"
       :can-read-environment="canReadEnvironment"
+      :canary-deployment-feature-id="canaryDeploymentFeatureId"
+      :show-canary-deployment-callout="showCanaryDeploymentCallout"
+      :user-callouts-path="userCalloutsPath"
+      :lock-promotion-svg-path="lockPromotionSvgPath"
+      :help-canary-deployments-path="helpCanaryDeploymentsPath"
       @
     >
       <empty-state

What needs to be done

1. Create an EE mixin && a CE backport and use ee_else_ce to import it