Use appropriate icons for toasts (#4803)

* use appropriate icons for toasts

* use info for session expiry

* tweak size

* message -> safeMessage

---------

Co-authored-by: Samuel Newman <10959775+mozzius@users.noreply.github.com>

src/view/com/posts/FeedErrorMessage.tsx

@@ -144,6 +144,7 @@ function FeedgenErrorMessage({
         _l(
           msgLingui`There was an an issue removing this feed. Please check your internet connection and try again.`,
         ),
+        'exclamation-circle',
       )
       logger.error('Failed to remove feed', {message: err})
     }

src/view/com/posts/FeedShutdownMsg.tsx

@@ -51,6 +51,7 @@ export function FeedShutdownMsg({feedUri}: {feedUri: string}) {
         _(
           msg`There was an an issue updating your feeds, please check your internet connection and try again.`,
         ),
+        'exclamation-circle',
       )
       logger.error('Failed up update feeds', {message: err})
     }
@@ -69,6 +70,7 @@ export function FeedShutdownMsg({feedUri}: {feedUri: string}) {
         _(
           msg`There was an an issue updating your feeds, please check your internet connection and try again.`,
         ),
+        'exclamation-circle',
       )
       logger.error('Failed up update feeds', {message: err})
     }