Merged in feature/sas-mypages (pull request #1302)

Feature/sas mypages

* feat: Add SAS partner page under my pages
* fix: feature toggle SAS Partner page in my pages
* add translations for SAS account page
* use 'flex-start' instead of 'start'
* fix: flatten css
* fix: don't use <SectionContainer /> on linkedAccounts page

server/routers/partners/sas/performLevelUpgrade.ts

@@ -0,0 +1,20 @@
+import { TRPCError } from "@trpc/server"
+import { setTimeout } from "timers/promises"
+import { z } from "zod"
+
+import { protectedProcedure } from "@/server/trpc"
+
+const outputSchema = z.object({})
+
+export const performLevelUpgrade = protectedProcedure
+  .output(outputSchema)
+  .mutation(async function ({ ctx, input }) {
+    console.log("[SAS] perform upgrade")
+    await setTimeout(1000)
+    //TODO: Call actual API here
+
+    throw new TRPCError({
+      message: "Unable to perform ugprade",
+      code: "BAD_REQUEST",
+    })
+  })