Add default ViewController.loadView implementation

src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt

@@ -63,8 +63,12 @@ abstract class ViewController {
 	 *
 	 * This method should only be called by the framework. After the [view] property is set, the framework is
 	 * responsible for initializing its [View.window]/[View.solver] properties and calling [View.wasAdded].
+	 *
+	 * The default implementation simply creates a [View] and does nothing else with it.
 	 */
-	abstract fun loadView()
+	open fun loadView() {
+		view = View()
+	}
 
 	/**
 	 * This method is called after the view is loaded, it's properties are initialized, and [View.wasAdded] has been

src/test/kotlin/net/shadowfacts/cacao/CoordinateConversionTests.kt

@@ -21,11 +21,7 @@ class CoordinateConversionTests {
 
 	@BeforeEach
 	fun setup() {
-		viewController = object: ViewController() {
-			override fun loadView() {
-				view = View()
-			}
-		}
+		viewController = object: ViewController() {}
 		window = Window(viewController)
 	}
 

src/test/kotlin/net/shadowfacts/cacao/WindowLayoutTests.kt

@@ -21,11 +21,7 @@ class WindowLayoutTests {
 
 	@BeforeEach
 	fun setup() {
-		viewController = object: ViewController() {
-			override fun loadView() {
-				view = View()
-			}
-		}
+		viewController = object: ViewController() {}
 		window = Window(viewController)
 	}
 

src/test/kotlin/net/shadowfacts/cacao/view/StackViewLayoutTests.kt

@@ -23,11 +23,7 @@ class StackViewLayoutTests {
 
 	@BeforeEach
 	fun setup() {
-		viewController = object: ViewController() {
-			override fun loadView() {
-				view = View()
-			}
-		}
+		viewController = object: ViewController() {}
 		window = Window(viewController)
 	}
 

src/test/kotlin/net/shadowfacts/cacao/view/ViewHoverTests.kt

@@ -31,11 +31,7 @@ class ViewHoverTests {
 
 	@BeforeEach
 	fun setup() {
-		viewController = object: ViewController() {
-			override fun loadView() {
-				view = View()
-			}
-		}
+		viewController = object: ViewController() {}
 		window = Window(viewController)
 	}