fix: correct enum casing for IterableRetryBackoff and update usage in IterableAppProvider

Author: lposen

example/src/hooks/useIterableApp.tsx

@@ -152,7 +152,7 @@ export const IterableAppProvider: FunctionComponent<
       config.retryPolicy = {
         maxRetry: 5,
         retryInterval: 10,
-        retryBackoff: IterableRetryBackoff.Linear,
+        retryBackoff: IterableRetryBackoff.linear,
       };
 
       config.onJwtError = (authFailure) => {

src/core/enums/IterableRetryBackoff.ts

@@ -7,11 +7,11 @@ export enum IterableRetryBackoff {
    *
    * EG: 2 seconds, 4 seconds, 6 seconds, 8 seconds, etc.
    */
-  Linear = 'LINEAR',
+  linear = 'LINEAR',
   /**
    * Exponential backoff (each retry will wait for an interval that increases exponentially)
    *
    * EG: 2 seconds, 4 seconds, 8 seconds, 16 seconds, etc.
    */
-  Exponential = 'EXPONENTIAL',
+  exponential = 'EXPONENTIAL',
 }