api: Add support for verbose inventory quantities (#2814)

* -

-

* Add VerboseInventoryQuantitiesMixin with changes.

* Fix checkstyle and add copyright header.

* Remove unused imports

* Checkstyle hotfix

* Checkstyle

* Checkstyle2

* Change Internal name to itemQuantitiesVerbose

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

@@ -1704,6 +1704,13 @@ public interface Client extends GameShell
 	 */
 	void setCompass(Sprite Sprite);
 
+	/**
+	 * Sets whether inventory quantity is verbose.
+	 *
+	 * @param state verbose state
+	 */
+	void setItemQuantitiesVerbose(boolean state);
+
 	/**
 	 * Returns widget sprite cache, to be used with {@link Client#getSpriteOverrides()}
 	 *