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/ContactImportView.vue

@@ -223,7 +223,6 @@ import {
 import { getContactJwtFromJwtUrl } from "../libs/crypto";
 import { decodeEndorserJwt } from "../libs/crypto/vc";
 import { PlatformServiceFactory } from "@/services/PlatformServiceFactory";
-import { logger } from "../utils/logger";
 
 /**
  * Interface for contact data as stored in the database