5623 add an inviteteam onboarding step (#5769)

## Changes
- add a new invite Team onboarding step
- update currentUser.state to currentUser.onboardingStep

## Edge cases
We will never display invite team onboarding step 
- if number of workspaceMember > 1
- if a workspaceMember as been deleted

## Important changes
Update typeorm package version to 0.3.20 because we needed a fix on
`indexPredicates` pushed in 0.3.20 version
(https://github.com/typeorm/typeorm/issues/10191)

## Result
<img width="844" alt="image"
src="https://github.com/twentyhq/twenty/assets/29927851/0dab54cf-7c66-4c64-b0c9-b0973889a148">



https://github.com/twentyhq/twenty/assets/29927851/13268d0a-cfa7-42a4-84c6-9e1fbbe48912

packages/twenty-server/src/database/typeorm/core/migrations/1717688588972-addKeyValuePairTableUniqueContraints.ts

@@ -0,0 +1,25 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddKeyValuePairTableUniqueContraints1717688588972
+  implements MigrationInterface
+{
+  name = 'AddKeyValuePairTableUniqueContraints1717688588972';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `CREATE UNIQUE INDEX "IndexOnKeyUserIdAndNullWorkspaceIdUnique" ON "core"."keyValuePair" ("key", "userId") WHERE "workspaceId" is NULL`,
+    );
+    await queryRunner.query(
+      `CREATE UNIQUE INDEX "IndexOnKeyWorkspaceIdAndNullUserIdUnique" ON "core"."keyValuePair" ("key", "workspaceId") WHERE "userId" is NULL`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `DROP INDEX "core"."IndexOnKeyWorkspaceIdAndNullUserIdUnique"`,
+    );
+    await queryRunner.query(
+      `DROP INDEX "core"."IndexOnKeyUserIdAndNullWorkspaceIdUnique"`,
+    );
+  }
+}