feat: add indicator if an attachment is task cover

src/components/tasks/partials/attachments.vue

@@ -35,7 +35,15 @@
 				:key="a.id"
 				@click="viewOrDownload(a)"
 			>
-				<div class="filename">{{ a.file.name }}</div>
+				<div class="filename">
+					{{ a.file.name }}
+					<span 
+						v-if="task.coverImageAttachmentId === a.id" 
+						class="is-task-cover"
+					>
+						{{ $t('task.attachment.usedAsCover') }}
+					</span>
+				</div>
 				<div class="info">
 					<p class="attachment-info-meta">
 						<i18n-t keypath="task.attachment.createdBy" scope="global">
@@ -418,5 +426,13 @@ async function setCoverImage(attachment: IAttachment | null) {
 	}
 }
 
+.is-task-cover {
+	background: var(--primary);
+	color: var(--white);
+	padding: .25rem .35rem;
+	border-radius: 4px;
+	font-size: .75rem;
+}
+
 @include modal-transition();
 </style>

src/i18n/lang/en.json

@@ -696,7 +696,8 @@
       "copyUrlTooltip": "Copy the url of this attachment for usage in text",
       "setAsCover": "Make cover",
       "unsetAsCover": "Remove cover",
-      "successfullyChangedCoverImage": "The cover image was successfully changed."
+      "successfullyChangedCoverImage": "The cover image was successfully changed.",
+      "usedAsCover": "Cover image"
     },
     "comment": {
       "title": "Comments",