feat: add OpenIn option to coder_app (#15743)

This PR is the coder/coder part of [the open_in parameter
issue](https://github.com/coder/terraform-provider-coder/issues/297)
aiming to add a new optional parameter to choose how to open modules.

This PR is heavily linked [to this
PR](https://github.com/coder/terraform-provider-coder/pull/321).

ℹ️ For now, some integrations tests can not be pushed as it requires a
release on the terraform-provider repo.

coderd/provisionerdserver/provisionerdserver.go

@@ -1509,6 +1509,7 @@ func (s *server) CompleteJob(ctx context.Context, completed *proto.CompletedJob)
 					dur := time.Duration(protoAgent.GetConnectionTimeoutSeconds()) * time.Second
 					agentTimeouts[dur] = true
 				}
+
 				err = InsertWorkspaceResource(ctx, db, job.ID, workspaceBuild.Transition, protoResource, telemetrySnapshot)
 				if err != nil {
 					return xerrors.Errorf("insert provisioner job: %w", err)
@@ -2012,6 +2013,14 @@ func InsertWorkspaceResource(ctx context.Context, db database.Store, jobID uuid.
 				sharingLevel = database.AppSharingLevelPublic
 			}
 
+			openIn := database.WorkspaceAppOpenInSlimWindow
+			switch app.OpenIn {
+			case sdkproto.AppOpenIn_TAB:
+				openIn = database.WorkspaceAppOpenInTab
+			case sdkproto.AppOpenIn_WINDOW:
+				openIn = database.WorkspaceAppOpenInWindow
+			}
+
 			dbApp, err := db.InsertWorkspaceApp(ctx, database.InsertWorkspaceAppParams{
 				ID:          uuid.New(),
 				CreatedAt:   dbtime.Now(),
@@ -2036,6 +2045,7 @@ func InsertWorkspaceResource(ctx context.Context, db database.Store, jobID uuid.
 				Health:               health,
 				DisplayOrder:         int32(app.Order),
 				Hidden:               app.Hidden,
+				OpenIn:               openIn,
 			})
 			if err != nil {
 				return xerrors.Errorf("insert app: %w", err)