refacto(*): remove everything about default workspace (#9157)

## Summary
- [x] Remove defaultWorkspace in user
- [x] Remove all occurrence of defaultWorkspace and defaultWorkspaceId
- [x] Improve activate workspace flow
- [x] Improve security on social login
- [x] Add `ImpersonateGuard`
- [x] Allow to use impersonation with couple `User/Workspace`
- [x] Prevent unexpected reload on activate workspace
- [x] Scope login token with workspaceId 

Fix https://github.com/twentyhq/twenty/issues/9033#event-15714863042

packages/twenty-server/src/engine/core-modules/billing/billing.resolver.ts

@@ -40,11 +40,12 @@ export class BillingResolver {
   @UseGuards(WorkspaceAuthGuard, UserAuthGuard)
   async billingPortalSession(
     @AuthUser() user: User,
+    @AuthWorkspace() workspace: Workspace,
     @Args() { returnUrlPath }: BillingSessionInput,
   ) {
     return {
       url: await this.billingPortalWorkspaceService.computeBillingPortalSessionURLOrThrow(
-        user.defaultWorkspaceId,
+        workspace.id,
         returnUrlPath,
       ),
     };

packages/twenty-server/src/engine/core-modules/billing/services/billing-portal.workspace-service.ts

@@ -45,12 +45,13 @@ export class BillingPortalWorkspaceService {
 
     const stripeCustomerId = (
       await this.billingSubscriptionRepository.findOneBy({
-        workspaceId: user.defaultWorkspaceId,
+        workspaceId: workspace.id,
       })
     )?.stripeCustomerId;
 
     const session = await this.stripeService.createCheckoutSession(
       user,
+      workspace.id,
       priceId,
       quantity,
       successUrl,

packages/twenty-server/src/engine/core-modules/billing/stripe/stripe.service.ts

@@ -84,6 +84,7 @@ export class StripeService {
 
   async createCheckoutSession(
     user: User,
+    workspaceId: string,
     priceId: string,
     quantity: number,
     successUrl?: string,
@@ -100,7 +101,7 @@ export class StripeService {
       mode: 'subscription',
       subscription_data: {
         metadata: {
-          workspaceId: user.defaultWorkspaceId,
+          workspaceId,
         },
         trial_period_days: this.environmentService.get(
           'BILLING_FREE_TRIAL_DURATION_IN_DAYS',