Merge branch '258652-inject-feature-flag' into 'master'

Fix broken inject pattern for feature flags

See merge request gitlab-org/gitlab!45489

app/assets/javascripts/feature_flags/components/strategy.vue

@@ -26,10 +26,10 @@ export default {
   },
   inject: {
     strategyTypeDocsPagePath: {
-      type: String,
+      default: '',
     },
     environmentsScopeDocsPath: {
-      type: String,
+      default: '',
     },
   },
   props: {