fix: simplify error handling for FetchError in various components

frontend/app/pages/register/company.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { NewRole } from '~/types/role';
 import type { NewUser } from '~/types/user';
+import { FetchError } from 'ofetch';
 
 definePageMeta({
     middleware: ['sanctum:guest'],
@@ -63,8 +64,10 @@ async function handleRegistration() {
         });
 
         navigateTo("/");
-    } catch (e: any) {
-        error.value = e.data?.message as string;
+    } catch (e) {
+        if (e instanceof FetchError) {
+            error.value = e.response?._data.message;
+        }
     } finally {
         loading.value = false;
     }