Fixed tooltips in the spellbook gui

gradle.properties

@@ -23,7 +23,7 @@ org.gradle.daemon=false
   fabwork_version=1.2.0
   modmenu_version=7.0.0-beta.2
   minelp_version=4.10.1+1.20
-  kirin_version=1.15.2
+  kirin_version=1.15.4+1.20
   reach_attributes_version=2.3.3
   trinkets_version=3.7.1
   terraformer_api_version=7.0.0-beta.1

src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/SpellbookScreen.java

@@ -140,6 +140,7 @@ public class SpellbookScreen extends HandledScreen<SpellbookScreenHandler> imple
             clearAndInit();
         }
         super.render(context, mouseX, mouseY, partialTicks);
+        drawMouseoverTooltip(context, mouseX, mouseY);
     }
 
     @Override