Chore: convert "unnamed" into constant

- "Unnamed/Unknown" simplified into just "Unnamed"
- Phrase variations have their own constants

src/components/EntityGrid.vue

@@ -22,7 +22,7 @@ projects, and special entities with selection. * * @author Matthew Raymer */
       <!-- "Unnamed" entity -->
       <SpecialEntityCard
         entity-type="unnamed"
-        label="Unnamed"
+        :label="unnamedEntityName"
         icon="circle-question"
         :entity-data="unnamedEntityData"
         :notify="notify"
@@ -83,6 +83,7 @@ import ShowAllCard from "./ShowAllCard.vue";
 import { Contact } from "../db/tables/contacts";
 import { PlanData } from "../interfaces/records";
 import { NotificationIface } from "../constants/app";
+import { UNNAMED_ENTITY_NAME } from "@/constants/entities";
 
 /**
  * EntityGrid - Unified grid layout for displaying people or projects
@@ -277,10 +278,17 @@ export default class EntityGrid extends Vue {
   get unnamedEntityData(): { did: string; name: string } {
     return {
       did: "",
-      name: "Unnamed",
+      name: UNNAMED_ENTITY_NAME,
     };
   }
 
+  /**
+   * Get the unnamed entity name constant
+   */
+  get unnamedEntityName(): string {
+    return UNNAMED_ENTITY_NAME;
+  }
+
   /**
    * Check if a person DID is conflicted
    */