Do not show nickname if null

Author: PointerRain

gradle.properties

@@ -9,7 +9,7 @@ yarn_mappings=1.21.4+build.8
 loader_version=0.16.10
 
 # Mod Properties
-mod_version=1.1.1
+mod_version=1.1.2
 maven_group=com.scnamelink
 archives_base_name=sc-name-link
 

src/client/java/golden/scnamelink/mixin/client/HoverEventMixin.java

@@ -47,7 +47,7 @@ public abstract class HoverEventMixin {
             if (this.entityType == EntityType.PLAYER && this.name.isPresent()) {
                 DisplayMapping mapping = SpooncraftNameLinkClient.getMapping(this.uuid,
                                                                              this.name.get().getString());
-                if (mapping != null) {
+                if (mapping != null && mapping.discord_nick != null) {
                     this.tooltip.add(Text.translatable("gui.scnamelink.hover_nickname",
                                                        mapping.discord_nick));
                 }