Hash flag keys before looking up

Author: yfrancis

src/client/eppo-client.ts

@@ -942,7 +942,7 @@ export default class EppoClient {
     validateNotBlank(flagKey, 'Invalid argument: flagKey cannot be blank');
 
     // Check for override early
-    const overrideVariation = this.overridesStore?.get(flagKey);
+    const overrideVariation = this.overridesStore?.get(getMD5Hash(flagKey));
     if (overrideVariation) {
       const configFormat = this.overridesStore?.getFormat() ?? '';
       const flagEvaluationDetailsBuilder = this.newFlagEvaluationDetailsBuilder(flagKey);