Add Recovery section in the new user settings Encryption tab (#28673)

* Refine `SettingsSection` & `SettingsTab`

* Add encryption tab

* Add recovery section

* Add device verification

* Rename `Panel` into `State`

* Update & add tests to user settings common

* Add tests to `RecoveryPanel`

* Add tests to `ChangeRecoveryKey`

* Update CreateSecretStorageDialog-test snapshot

* Add tests to `EncryptionUserSettingsTab`

* Update existing screenshots of e2e tests

* Add new encryption tab ownership to `@element-hq/element-crypto-web-reviewers`

* Add e2e tests

* Fix monospace font and add figma link to hardcoded value

* Add unit to Icon

* Improve e2e doc

* Assert that the crypto module is defined

* Add classname doc

* Fix typo

* Use `good` state instead of default

* Rename `ChangeRecoveryKey.isSetupFlow` into `ChangeRecoveryKey.userHasKeyBackup`

* Move `deleteCachedSecrets` fixture in `recovery.spec.ts`

* Use one callback instead of two in `RecoveryPanel`

* Fix docs and naming of `utils.createBot`

* Fix typo in `RecoveryPanel`

* Add more doc to the state of the `EncryptionUserSettingsTab`

* Rename `verification_required` into `set_up_encryption`

* Update test

* ADd new license

* Update comments and doc

* Assert that `recoveryKey.encodedPrivateKey` is always defined

* Add comments to explain how the secrets could be uncached

* Use `matrixClient.secretStorage.getDefaultKeyId` instead of `matrixClient.getCrypto().checkKeyBackupAndEnable` to know if we need to set up a recovery key

* Update existing screenshot to add encryption tab.

* Update tests

* Use new labels when changing the recovery key

* Fix docs

* Don't reset key backup when creating a recovery key

* Fix doc

test/unit-tests/components/views/dialogs/__snapshots__/UserSettingsDialog-test.tsx.snap

@@ -225,6 +225,32 @@ NodeList [
       Security & Privacy
     </span>
   </li>,
+  <li
+    aria-controls="mx_tabpanel_USER_ENCRYPTION_TAB"
+    aria-selected="false"
+    class="mx_AccessibleButton mx_TabbedView_tabLabel"
+    data-testid="settings-tab-USER_ENCRYPTION_TAB"
+    role="tab"
+    tabindex="-1"
+  >
+    <svg
+      fill="currentColor"
+      height="1em"
+      viewBox="0 0 24 24"
+      width="1em"
+      xmlns="http://www.w3.org/2000/svg"
+    >
+      <path
+        d="M7 14c-.55 0-1.02-.196-1.412-.588A1.926 1.926 0 0 1 5 12c0-.55.196-1.02.588-1.412A1.926 1.926 0 0 1 7 10c.55 0 1.02.196 1.412.588.392.391.588.862.588 1.412 0 .55-.196 1.02-.588 1.412A1.926 1.926 0 0 1 7 14Zm0 4c-1.667 0-3.083-.583-4.25-1.75C1.583 15.083 1 13.667 1 12c0-1.667.583-3.083 1.75-4.25C3.917 6.583 5.333 6 7 6c1.117 0 2.13.275 3.037.825A6.212 6.212 0 0 1 12.2 9h8.375a1.033 1.033 0 0 1 .725.3l2 2c.1.1.17.208.212.325.042.117.063.242.063.375s-.02.258-.063.375a.877.877 0 0 1-.212.325l-3.175 3.175a.946.946 0 0 1-.3.2c-.117.05-.233.083-.35.1a.832.832 0 0 1-.35-.025.884.884 0 0 1-.325-.175L17.5 15l-1.425 1.075a.945.945 0 0 1-.887.15.859.859 0 0 1-.288-.15L13.375 15H12.2a6.212 6.212 0 0 1-2.162 2.175C9.128 17.725 8.117 18 7 18Zm0-2c.933 0 1.754-.283 2.463-.85A4.032 4.032 0 0 0 10.875 13H14l1.45 1.025L17.5 12.5l1.775 1.375L21.15 12l-1-1h-9.275a4.032 4.032 0 0 0-1.412-2.15C8.754 8.283 7.933 8 7 8c-1.1 0-2.042.392-2.825 1.175C3.392 9.958 3 10.9 3 12s.392 2.042 1.175 2.825C4.958 15.608 5.9 16 7 16Z"
+      />
+    </svg>
+    <span
+      class="mx_TabbedView_tabLabel_text"
+      id="mx_tabpanel_USER_ENCRYPTION_TAB_label"
+    >
+      Encryption
+    </span>
+  </li>,
   <li
     aria-controls="mx_tabpanel_USER_LABS_TAB"
     aria-selected="false"

test/unit-tests/components/views/dialogs/security/__snapshots__/CreateSecretStorageDialog-test.tsx.snap

@@ -165,7 +165,9 @@ exports[`CreateSecretStorageDialog handles the happy path 2`] = `
             <div
               class="mx_CreateSecretStorageDialog_recoveryKey"
             >
-              <code />
+              <code>
+                encoded private key
+              </code>
             </div>
             <div
               class="mx_CreateSecretStorageDialog_recoveryKeyButtons"