fix: update handler (#14032)

Co-authored-by: Alex van Andel <me@alexvanandel.com>

packages/trpc/server/routers/loggedInViewer/updateProfile.handler.ts

@@ -168,7 +168,7 @@ export const updateProfileHandler = async ({ ctx, input }: UpdateProfileOptions)
         // Set metadata of the user so we can set it to this updated email once it is confirmed
         data.metadata = {
           ...userMetadata,
-          emailChangeWaitingForVerification: input.email,
+          emailChangeWaitingForVerification: input.email?.toLocaleLowerCase(),
         };
 
         // Check to ensure this email isnt in use