fix: Do not show actively disabled auth providers in self-hosted install (#4794)

* fix: Do not show actively disabled auth providers in self-hosted installation

* self review

* Refactor for easier mocking

server/utils/isCloudHosted.ts

@@ -1,8 +0,0 @@
-import env from "@server/env";
-
-/**
- * True if the current installation is the cloud hosted version at getoutline.com
- */
-const isCloudHosted = env.DEPLOYMENT === "hosted";
-
-export default isCloudHosted;

server/utils/passport.ts

@@ -102,7 +102,7 @@ export async function getTeamFromContext(ctx: Context) {
   const domain = parseDomain(host);
 
   let team;
-  if (env.DEPLOYMENT !== "hosted") {
+  if (!env.isCloudHosted()) {
     team = await Team.findOne();
   } else if (domain.custom) {
     team = await Team.findOne({ where: { domain: domain.host } });

server/utils/robots.ts

@@ -1,7 +1,7 @@
 import env from "@server/env";
 
 export const robotsResponse = () => {
-  if (env.DEPLOYMENT === "hosted") {
+  if (env.isCloudHosted()) {
     return `
 User-agent: *
 Allow: /

server/utils/startup.ts

@@ -46,7 +46,7 @@ export function checkPendingMigrations() {
 }
 
 export async function checkMigrations() {
-  if (env.DEPLOYMENT === "hosted") {
+  if (env.isCloudHosted()) {
     return;
   }