Add cryptography information in devtools (#29073)

* feat(devtools): add crypto information in devtools

* ci: add crypto devtools file to crypto code owners

* test(dev tools): update test to add new crypto button

* test(dev tools): add tests for crypto component

test/test-utils/test-utils.ts

@@ -152,6 +152,8 @@ export function createTestClient(): MatrixClient {
             }),
             isCrossSigningReady: jest.fn().mockResolvedValue(false),
             resetEncryption: jest.fn(),
+            getSessionBackupPrivateKey: jest.fn().mockResolvedValue(null),
+            isSecretStorageReady: jest.fn().mockResolvedValue(false),
         }),
 
         getPushActionsForEvent: jest.fn(),