fix: dont start unless deploy exists

Author: mdonnalley

src/commands/project/deploy/start.ts

@@ -240,8 +240,6 @@ export default class DeployMetadata extends SfCommand<DeployResultJson> {
       project
     );
 
-    this.stages.start(username, deploy);
-
     if (!deploy) {
       this.stages.stop();
       this.log('No changes to deploy');
@@ -252,6 +250,8 @@ export default class DeployMetadata extends SfCommand<DeployResultJson> {
       throw new SfError('The deploy id is not available.');
     }
 
+    this.stages.start(username, deploy);
+
     if (flags.async) {
       this.stages.done({ status: 'Queued', username });
       this.stages.stop();