style: fix line length in ContactsView ternary operator

- Break long CSS class strings into multiple concatenated lines
- Ensure all lines are under 100 characters for better readability
- Maintain same functionality and styling behavior
- Improve code maintainability and readability

Fixes: Long lines in conditional CSS class assignment

src/views/SearchAreaView.vue

@@ -215,7 +215,7 @@ export default class SearchAreaView extends Vue {
         if (USE_DEXIE_DB) {
           await db.open();
           await db.settings.update(MASTER_SETTINGS_KEY, {
-            searchBoxes: searchBoxes as any,  // Type assertion for Dexie compatibility
+            searchBoxes: searchBoxes as unknown, // Type assertion for Dexie compatibility
           });
         }
         this.searchBox = newSearchBox;
@@ -269,7 +269,7 @@ export default class SearchAreaView extends Vue {
       if (USE_DEXIE_DB) {
         await db.open();
         await db.settings.update(MASTER_SETTINGS_KEY, {
-          searchBoxes: "[]" as any,  // Type assertion for Dexie compatibility
+          searchBoxes: "[]" as unknown as string, // Type assertion for Dexie compatibility
           filterFeedByNearby: false,
         });
       }