Disallow invalid inline style comments in stylesheets (#9099)

res/css/views/rooms/_LinkPreviewWidget.pcss

@@ -27,7 +27,7 @@ limitations under the License.
         margin-bottom: 6px;
     }
 
-    // Exclude mx_LinkPreviewGroup_hide from wrapping
+    /* Exclude mx_LinkPreviewGroup_hide from wrapping */
     .mx_LinkPreviewWidget_wrapImageCaption {
         display: flex;
         flex-wrap: wrap;
@@ -36,7 +36,7 @@ limitations under the License.
         .mx_LinkPreviewWidget_image,
         .mx_LinkPreviewWidget_caption {
             margin-inline-start: $spacing-16;
-            min-width: 0; // Prevent blowout
+            min-width: 0; /* Prevent blowout */
         }
 
         .mx_LinkPreviewWidget_image {
@@ -47,7 +47,7 @@ limitations under the License.
 
         .mx_LinkPreviewWidget_caption {
             flex: 1;
-            overflow: hidden; // cause it to wrap rather than clip
+            overflow: hidden; /* cause it to wrap rather than clip */
         }
 
         .mx_LinkPreviewWidget_title,