feat: Add showUnnamedEntity prop to EntityGrid

Add prop to control visibility of "Unnamed" entity, matching showYouEntity
pattern. Defaults to true for backward compatibility.

src/components/EntityGrid.vue

@@ -61,6 +61,7 @@ projects, and special entities with selection. * * @author Matthew Raymer */
 
       <!-- "Unnamed" entity -->
       <SpecialEntityCard
+        v-if="showUnnamedEntity"
         entity-type="unnamed"
         :label="unnamedEntityName"
         icon="circle-question"
@@ -175,6 +176,10 @@ export default class EntityGrid extends Vue {
   @Prop({ default: true })
   showYouEntity!: boolean;
 
+  /** Whether to show the "Unnamed" entity for people grids */
+  @Prop({ default: true })
+  showUnnamedEntity!: boolean;
+
   /** Whether the "You" entity is selectable */
   @Prop({ default: true })
   youSelectable!: boolean;