Renamed method in LimitedTextArea class

The method getOutOfRange() in the LimitedTextArea class has been renamed to isOutOfRange(). The change was made to enhance the readability and clarity of the code, adhering to general Java naming conventions.

gemsfx/src/main/java/com/dlsc/gemsfx/LimitedTextArea.java

@@ -163,7 +163,7 @@ public final void setTips(String tips) {
 
     private final ReadOnlyBooleanWrapper outOfRange = new ReadOnlyBooleanWrapper(this, "isOverLimit", false);
 
-    public final boolean getOutOfRange() {
+    public final boolean isOutOfRange() {
         return outOfRange.get();
     }