Fix grab excess vertical space. eclipse-tm4e#552

innerParent was grabbing all the excess vertical space. Changed to
layout data to do not grab excess vertical space.

org.eclipse.tm4e.languageconfiguration/src/main/java/org/eclipse/tm4e/languageconfiguration/internal/preferences/LanguageConfigurationPreferencePage.java

@@ -92,7 +92,7 @@ protected Control createContents(@Nullable final Composite ancestor) {
 		innerLayout.marginHeight = 0;
 		innerLayout.marginWidth = 0;
 		innerParent.setLayout(innerLayout);
-		final var gd = new GridData(GridData.FILL_BOTH);
+		final var gd = new GridData(SWT.FILL, SWT.FILL, true, false);
 		gd.horizontalSpan = 2;
 		innerParent.setLayoutData(gd);