Merge pull request #20708 from adamdmharvey/adamdmharvey/fix-install-msg

fix(create-app): Logic bug about suggesting Yarn install

.changeset/real-jars-yawn.md

@@ -0,0 +1,5 @@
+---
+'@backstage/create-app': patch
+---
+
+If create app installs dependencies, don't suggest to user that they also need to do it.

packages/create-app/src/createApp.ts

@@ -129,7 +129,7 @@ export default async (opts: OptionValues): Promise<void> => {
     );
     Task.log();
     Task.section('All set! Now you might want to');
-    if (!opts.skipInstall) {
+    if (opts.skipInstall) {
       Task.log(
         `  Install the dependencies: ${chalk.cyan(
           `cd ${opts.path ?? answers.name} && yarn install`,