Fix ClassCastException

Fix ClassCastException (not tested!).

See Stack Overflow question 78834435: https://stackoverflow.com/q/78834435/6505250

Stack trace (`eclipse.buildId=4.32.0.20240606-1231`):
```
java.lang.ClassCastException: class org.eclipse.jdt.internal.core.JavaNature cannot be cast to class org.eclipse.jdt.core.IJavaProject (org.eclipse.jdt.internal.core.JavaNature and org.eclipse.jdt.core.IJavaProject are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @529500a7)
    at org.hibernate.eclipse.console.wizards.NewConfigurationWizard.init(NewConfigurationWizard.java:325)
    at ...
```

Author: howlger

orm/plugin/core/org.hibernate.eclipse.console/src/org/hibernate/eclipse/console/wizards/NewConfigurationWizard.java

@@ -322,7 +322,7 @@ public void init(IWorkbench workbench, IStructuredSelection selection) {
 			if (selection.getFirstElement() instanceof IProject){
 				try {
 					if (((IProject)selection.getFirstElement()).getNature(JavaCore.NATURE_ID) != null) {
-						jproj =  (IJavaProject)((IProject)selection.getFirstElement()).getNature(JavaCore.NATURE_ID);
+						jproj = JavaCore.create((IProject)selection.getFirstElement());
 					}
 				} catch (CoreException e) {
 					HibernateConsolePlugin.getDefault().log(e);
@@ -362,4 +362,4 @@ public boolean canFinish() {
 		return super.canFinish();
 	}
 
-}
+}