Replace session with user in team accounts

This commit replaces the session object with the user object in the team accounts feature. This change is reflected in the team-account-danger-zone, layout, team-account-workspace, and billing components. The usage of the user object provides more specificity and accuracy in handling user information compared to the more generic session object.

apps/web/app/(dashboard)/home/[account]/layout.tsx

@@ -32,7 +32,7 @@ function TeamWorkspaceLayout({
           collapsed={false}
           account={params.account}
           accounts={accounts}
-          user={data.session?.user ?? null}
+          user={data?.user ?? null}
         />
       }
     >