fix: set platformOnly to false to collect all extensions in the wizard

Signed-off-by: azerr <[email protected]>

src/main/java/com/redhat/devtools/intellij/quarkus/projectWizard/QuarkusExtensionsStep.java

@@ -147,7 +147,7 @@ public Dimension getMaximumSize() {
             panel.add(filter);
 
             JCheckBox platformCheckbox = new JCheckBox();
-            platformCheckbox.setSelected(true);
+            platformCheckbox.setSelected(false);
             platformCheckbox.setText("Platform only extensions");
             panel.add(platformCheckbox);