feat: complete batch 5 components migration to active identity façade

- Update GiftedDetailsView, QuickActionBvcEndView, DiscoverView
- Replace settings.activeDid with () façade method
- Add consistent migration comments for future reference
- Complete Batch 5 with 5 total components migrated

Batch 5 completes migration of 5 additional components
with various usage patterns and complexity levels.

src/views/DiscoverView.vue

@@ -407,7 +407,8 @@ export default class DiscoverView extends Vue {
     const searchPeople = !!this.$route.query["searchPeople"];
 
     const settings = await this.$accountSettings();
-    this.activeDid = (settings.activeDid as string) || "";
+    // Use new Active Identity façade instead of settings.activeDid
+    this.activeDid = (await this.$getActiveDid()) || "";
     this.apiServer = (settings.apiServer as string) || "";
     this.partnerApiServer =
       (settings.partnerApiServer as string) || this.partnerApiServer;

src/views/GiftedDetailsView.vue

@@ -441,7 +441,8 @@ export default class GiftedDetails extends Vue {
 
     const settings = await this.$accountSettings();
     this.apiServer = settings.apiServer || "";
-    this.activeDid = settings.activeDid || "";
+    // Use new Active Identity façade instead of settings.activeDid
+    this.activeDid = (await this.$getActiveDid()) || "";
 
     if (
       (this.giverDid && !this.giverName) ||

src/views/QuickActionBvcEndView.vue

@@ -227,7 +227,8 @@ export default class QuickActionBvcEndView extends Vue {
 
     const settings = await this.$settings();
     this.apiServer = settings.apiServer || "";
-    this.activeDid = settings.activeDid || "";
+    // Use new Active Identity façade instead of settings.activeDid
+    this.activeDid = (await this.$getActiveDid()) || "";
 
     this.allContacts = await this.$contacts();