Removes 1 pixel offset for icons on Windows

From feedback in the forum, we understand that the 1 pixel shift
introduced with #2752 is not necessary anymore.

Issue: https://forum.portfolio-performance.info/t/dark-mode-fur-pp/3739/75
Issue: #3615
Signed-off-by: Nirus2000 <webmaster@nirus-online.de>
[reformatted to code format; rebased to master]
Signed-off-by: Andreas Buchen <andreas.buchen@gmail.com>

name.abuchen.portfolio/src/name/abuchen/portfolio/model/ImageManager.java

@@ -2,7 +2,6 @@
 
 import java.util.HashMap;
 
-import org.eclipse.core.runtime.Platform;
 import org.eclipse.swt.graphics.Image;
 
 import name.abuchen.portfolio.model.AttributeType.ImageConverter;
@@ -22,12 +21,23 @@ private ImageManager()
     {
     }
 
+    /**
+     * Retrieves an image associated with the given Attributable and
+     * AttributeType. If not found, a default image is returned.
+     *
+     * @return The retrieved image or null if not found.
+     */
     public Image getImage(Attributable target, AttributeType attr)
     {
-        int xOffset = Platform.OS_WIN32.equals(Platform.getOS()) ? 1 : 0;
-        return getImage(target, attr, xOffset, 16, 16);
+        return getImage(target, attr, 0, 16, 16);
     }
 
+    /**
+     * Retrieves an image associated with the given Attributable, AttributeType,
+     * and additional parameters. If not found, a default image is returned.
+     *
+     * @return The retrieved image or null if not found.
+     */
     public Image getImage(Attributable target, AttributeType attr, int xOffset, int width, int height)
     {
         if (target != null && target.getAttributes().exists(attr) && attr.getConverter() instanceof ImageConverter)