Merge pull request #9635 from dekvall/npe-branch

Fix NPE in groundmarkerplugin and annotate some methods as nullable

runelite-api/src/main/java/net/runelite/api/Actor.java

@@ -50,6 +50,7 @@ public interface Actor extends Renderable
 	 *
 	 * @return the name
 	 */
+	@Nullable
 	String getName();
 
 	/**

runelite-api/src/main/java/net/runelite/api/Client.java

@@ -345,6 +345,7 @@ public interface Client extends GameEngine
 	 *
 	 * @return the logged in player
 	 */
+	@Nullable
 	Player getLocalPlayer();
 
 	/**
@@ -425,6 +426,7 @@ public interface Client extends GameEngine
 	 *
 	 * @return the selected tile
 	 */
+	@Nullable
 	Tile getSelectedSceneTile();
 
 	/**
@@ -439,6 +441,7 @@ public interface Client extends GameEngine
 	 *
 	 * @return the dragged widget, null if not dragging any widget
 	 */
+	@Nullable
 	Widget getDraggedWidget();
 
 	/**
@@ -449,6 +452,7 @@ public interface Client extends GameEngine
 	 *
 	 * @return the dragged on widget, null if not dragging any widget
 	 */
+	@Nullable
 	Widget getDraggedOnWidget();
 
 	/**