Corrects padding issue with JTextArea in perform panel

fixes issue 4244

Change-Id: I46c9ea922c8cf9e16993215077b070e696fc960a
Reviewed-on: http://gerrit.dmdirc.com/1353
Reviewed-by: Gregory Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

src/com/dmdirc/addons/ui_swing/components/performpanel/PerformPanel.java

@@ -79,7 +79,7 @@ public class PerformPanel extends JPanel {
         for (PerformDescription perform : performs) {
             addPerform(perform);
         }
-        setLayout(new MigLayout("fill"));
+        setLayout(new MigLayout("ins 0, fill"));
         performSpace = new TextAreaInputField("");
         add(new JScrollPane(performSpace), "grow, push");
         visiblePerform = null;