Build fixes (#1273)

* Move build step to the end of continuous integration

* Fix manifest mismatch

.github/workflows/ci.yml

@@ -15,8 +15,6 @@ jobs:
         node-version: '12.x'
     - name: Install dependencies
       run: npm ci
-    - name: Build
-      run: npm run build --if-present
     - name: Lint
       run: npm run test-lint
       env:
@@ -33,3 +31,5 @@ jobs:
       run: npm run test-manifest
       env:
         CI: true
+    - name: Build
+      run: npm run test-build

dev/data/manifest-variants.json

@@ -94,7 +94,7 @@
                 "description": "Toggle text scanning on/off"
             },
             "openInfoPage": {
-                "description": "Open the help page"
+                "description": "Open the info page"
             },
             "openSettingsPage": {
                 "description": "Open the settings page"