* Remove redundant `forceReset` parameter
This was always true, so let's get rid of it.
Also some function renames.
* Factor out new `withSecretStorageKeyCache` helper
... so that we can use the cache without the whole of `accessSecretStorage`.
* Cache secret storage key during cross-signing reset
* Playwright test for resetting cross-signing
* CrossSigningPanel: Silence annoying react warnings
React complains if we don't include an explicit `tbody`.
* Simple unit test of reset button