Add support to manage cross-signing and key backup (#461)

* Add useDeviceList hook

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add isCrossVerified func to matrixUtil

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add className prop in sidebar avatar comp

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add unverified session indicator in sidebar

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add info card component

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add css variables

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add cross signin status hook

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add hasCrossSigninAccountData function

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add cross signin info card in device manage component

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add cross signing and key backup component

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Fix typo

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* WIP

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add cross singing dialogs

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add cross signing set/reset

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add SecretStorageAccess component

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add key backup

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* WIP

* WIP

* WIP

* WIP

* Show progress when restoring key backup

* Add SSSS and key backup

src/app/molecules/dialog/Dialog.jsx

@@ -37,7 +37,7 @@ function Dialog({
             {contentOptions}
           </Header>
           <div className="dialog__content__wrapper">
-            <ScrollView autoHide invisible={invisibleScroll}>
+            <ScrollView autoHide={!invisibleScroll} invisible={invisibleScroll}>
               <div className="dialog__content-container">
                 {children}
               </div>