Add labs flag to automatically rageshake on decryption errors (#7307)

Also sends a to-device message to the sender, prompting them to auto-rageshake too if they have this lab enabled as well.

Co-authored-by: Šimon Brandner <simon.bra.ag@gmail.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

src/settings/Settings.tsx

@@ -880,6 +880,12 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         default: false,
         controller: new ReloadOnChangeController(),
     },
+    "automaticDecryptionErrorReporting": {
+        displayName: _td("Automatically send debug logs on decryption errors"),
+        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
+        default: false,
+        controller: new ReloadOnChangeController(),
+    },
     [UIFeature.RoomHistorySettings]: {
         supportedLevels: LEVELS_UI_FEATURE,
         default: true,