TextField: Include caret spacing in visible editor rect to avoid text shifting when the caret is at the start/end of the line.

core/src/main/java/com/github/weisj/darklaf/ui/text/DarkTextFieldUI.java

@@ -148,6 +148,12 @@ public class DarkTextFieldUI extends DarkTextFieldUIBridge implements PropertyCh
             rect.y = ins.top + FontUtil.getCenteredFontPosition(height, fm);
             rect.height = fm.getHeight();
         }
+        if (rect != null) {
+            // Provide spacing for caret to avoid jumping text if the caret moves to the start or end of the
+            // line.
+            // This space is already included in DarkTextUI#getPreferredSize.
+            rect.width += getCaretWidth(editor);
+        }
         adjustTextRect(getComponent(), rect);
         return rect;
     }

core/src/main/java/com/github/weisj/darklaf/ui/text/DarkTextUI.java

@@ -235,6 +235,8 @@ public abstract class DarkTextUI extends BasicTextUI implements OpacityBufferedU
             }
         }
         if (c.getSize().width < dim.width) {
+            // Provide spacing for caret to avoid jumping text if the caret moves to the start or end of the
+            // line.
             dim.width += getCaretWidth(editor);
         }
         return dim;