fix(gatsby-cli): added effective condition to check empty path (#17482)

Author: anikethsaha

packages/gatsby-cli/src/init-starter.js

@@ -206,8 +206,10 @@ const getPaths = async (starterPath: string, rootPath: string) => {
       },
     ])
     // exit gracefully if responses aren't provided
-    if (!response.starter || !response.path) {
-      process.exit()
+    if (!response.starter || !response.path.trim()) {
+      throw new Error(
+        `Please mention both starter package and project name along with path(if its not in the root)`
+      )
     }
 
     selectedOtherStarter = response.starter === `different`