sessions - add letterpress (#298265)

* sessions - add letterpress

* ccr

Author: bpasero

src/vs/sessions/contrib/chat/browser/media/chatWelcomePart.css

@@ -35,24 +35,17 @@
 	width: 100%;
 	max-width: 200px;
 	aspect-ratio: 1/1;
-	background-image: url('../../../../../workbench/browser/parts/editor/media/letterpress-dark.svg');
+	background-image: url('./letterpress-sessions-dark.svg');
 	background-size: contain;
 	background-position: center;
 	background-repeat: no-repeat;
 	margin-top: 8px;
 	margin-bottom: 20px;
 }
 
-.vs .chat-full-welcome-letterpress {
-	background-image: url('../../../../../workbench/browser/parts/editor/media/letterpress-light.svg');
-}
-
+.vs .chat-full-welcome-letterpress,
 .hc-light .chat-full-welcome-letterpress {
-	background-image: url('../../../../../workbench/browser/parts/editor/media/letterpress-hcLight.svg');
-}
-
-.hc-black .chat-full-welcome-letterpress {
-	background-image: url('../../../../../workbench/browser/parts/editor/media/letterpress-hcDark.svg');
+	background-image: url('./letterpress-sessions-light.svg');
 }
 
 @container (max-height: 350px) {