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/lib/media/picker.shared.ts

@@ -17,14 +17,14 @@ export async function openPicker(opts?: ImagePickerOptions) {
   })
 
   if (response.assets && response.assets.length > 4) {
-    Toast.show('You may only select up to 4 images')
+    Toast.show('You may only select up to 4 images', 'exclamation-circle')
   }
 
   return (response.assets ?? [])
     .slice(0, 4)
     .filter(asset => {
       if (asset.mimeType?.startsWith('image/')) return true
-      Toast.show('Only image files are supported')
+      Toast.show('Only image files are supported', 'exclamation-circle')
       return false
     })
     .map(image => ({