Preferences: allow smaller window since checkboxes take less space

Fixes arduino#8238

Author: facchinm

Diff for: app/src/cc/arduino/view/preferences/Preferences.java

@@ -322,7 +322,7 @@ public void itemStateChanged(java.awt.event.ItemEvent evt) {
         .addContainerGap()
         .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
           .addGroup(jPanel1Layout.createSequentialGroup()
-            .addComponent(sketchbookLocationField, javax.swing.GroupLayout.DEFAULT_SIZE, 553, Short.MAX_VALUE)
+            .addComponent(sketchbookLocationField, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
             .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
             .addComponent(browseButton))
           .addComponent(checkboxesContainer, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
@@ -631,13 +631,13 @@ public void actionPerformed(java.awt.event.ActionEvent evt) {
     getContentPane().setLayout(layout);
     layout.setHorizontalGroup(
       layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-      .addGap(0, 691, Short.MAX_VALUE)
+      .addGap(0, 800, Short.MAX_VALUE)
       .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
     );
     layout.setVerticalGroup(
       layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-      .addGap(0, 580, Short.MAX_VALUE)
+      .addGap(0, 400, Short.MAX_VALUE)
       .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
     );