migrate: PhotoDialog.vue to use () API

- Replace settings.activeDid with () pattern
- Maintains backward compatibility with existing functionality
- Component now uses active_identity table as single source of truth
- Part of ActiveDid migration (2/32 components completed)
- Updated migration plan to include lint-fix step

src/components/PhotoDialog.vue

@@ -268,7 +268,11 @@ export default class PhotoDialog extends Vue {
     // logger.log("PhotoDialog mounted");
     try {
       const settings = await this.$accountSettings();
-      this.activeDid = settings.activeDid || "";
+
+      // Get activeDid from active_identity table (single source of truth)
+      const activeIdentity = await this.$getActiveIdentity();
+      this.activeDid = activeIdentity.activeDid || "";
+
       this.isRegistered = !!settings.isRegistered;
       logger.log("isRegistered:", this.isRegistered);
     } catch (error: unknown) {