fix(files): Use color-primary-element-text for files/folders overlay icons

Signed-off-by: Jonas <jonas@freesources.org>

Author: mejo-

apps/files/src/components/FileEntry/FileEntryPreview.vue

@@ -53,7 +53,7 @@
 
 		<OverlayIcon :is="fileOverlay"
 			v-if="fileOverlay"
-			class="files-list__row-icon-overlay files-list__row-icon-overlay--file" />
+			class="files-list__row-icon-overlay" />
 	</span>
 </template>
 

apps/files/src/components/FilesListVirtual.vue

@@ -515,16 +515,9 @@ export default Vue.extend({
 				position: absolute;
 				max-height: calc(var(--icon-preview-size) * 0.5);
 				max-width: calc(var(--icon-preview-size) * 0.5);
-				color: var(--color-main-text);
+				color: var(--color-primary-element-text);
 				// better alignment with the folder icon
 				margin-top: 2px;
-
-				// Improve icon contrast with a background for files
-				&--file {
-					color: var(--color-main-text);
-					background: var(--color-main-background);
-					border-radius: 100%;
-				}
 			}
 		}