Chore: convert "unnamed" into constant

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

src/views/DiscoverView.vue

@@ -233,7 +233,7 @@
 
               <div class="grow">
                 <h2 class="text-base font-semibold">
-                  {{ project.name || "Unnamed Project" }}
+                  {{ project.name || unnamedProject }}
                 </h2>
                 <div class="text-sm">
                   <font-awesome
@@ -340,6 +340,7 @@ import {
   NOTIFY_DISCOVER_LOCAL_SEARCH_ERROR,
   NOTIFY_DISCOVER_MAP_SEARCH_ERROR,
 } from "@/constants/notifications";
+import { UNNAMED_PROJECT } from "@/constants/entities";
 interface Tile {
   indexLat: number;
   indexLon: number;
@@ -370,6 +371,13 @@ export default class DiscoverView extends Vue {
 
   notify!: ReturnType<typeof createNotifyHelpers>;
 
+  /**
+   * Get the unnamed project constant
+   */
+  get unnamedProject(): string {
+    return UNNAMED_PROJECT;
+  }
+
   activeDid = "";
   allContacts: Array<Contact> = [];
   allMyDids: Array<string> = [];