Honour cached push rules (#606)
Honour cached push rules (#606)

so that we have push rules loaded into the client after doing
a cached sync (so that the client can assume that we do have
push rules, even if it was loaded from a cached sync).

These rules will be updated once `getPushRules` is completed
prior to the first networked sync.

krombel/matrix-js-sdk,matrix-org/matrix-js-sdk,krombel/matrix-js-sdk,matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,matrix-org/matrix-js-sdk,krombel/matrix-js-sdk