Remember how tall the user made the info panel

Kept as a share of the tree/info column, so it survives new tabs, a resized
window and the next session.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

ts3-client/core/src/main/java/com/ts3client/config/Settings.java

@@ -139,6 +139,8 @@ public final class Settings {
     public boolean showStatusBar = true;
     /** Whether the Master Volume slider is shown on the toolbar. */
     public boolean showMasterVolumeSlider = true;
+    /** Share of the tree/info column the tree takes, i.e. where their divider sits. */
+    public double infoSplitRatio = 0.68;
 
     /** Which actions make a sound, and which ones are important enough to survive muting. */
     public final NotificationSettings notifications = new NotificationSettings();
@@ -230,6 +232,7 @@ public final class Settings {
         appearance = parseAppearance(props.getProperty("appearance"), appearance);
         showStatusBar = parseB(props.getProperty("showStatusBar"), showStatusBar);
         showMasterVolumeSlider = parseB(props.getProperty("showMasterVolumeSlider"), showMasterVolumeSlider);
+        infoSplitRatio = parseD(props.getProperty("infoSplitRatio"), infoSplitRatio);
         notifications.load(props);
     }
 
@@ -272,6 +275,7 @@ public final class Settings {
         props.setProperty("appearance", appearance.name());
         props.setProperty("showStatusBar", Boolean.toString(showStatusBar));
         props.setProperty("showMasterVolumeSlider", Boolean.toString(showMasterVolumeSlider));
+        props.setProperty("infoSplitRatio", Double.toString(infoSplitRatio));
         notifications.store(props);
     }