chat - use default text color for welcome

Author: bpasero

src/vs/workbench/contrib/chat/browser/media/chatViewWelcome.css

@@ -62,15 +62,13 @@ div.chat-welcome-view {
 	& > .chat-welcome-view-progress {
 		display: flex;
 		gap: 6px;
-		color: var(--vscode-descriptionForeground);
 		text-align: center;
 		max-width: 350px;
 		padding: 0 20px;
 		margin-top: 20px;
 	}
 
 	& > .chat-welcome-view-message {
-		color: var(--vscode-descriptionForeground);
 		text-align: center;
 		max-width: 350px;
 		padding: 0 20px;
@@ -88,7 +86,6 @@ div.chat-welcome-view {
 	}
 
 	& > .chat-welcome-view-tips {
-		color: var(--vscode-descriptionForeground);
 		max-width: 250px;
 		margin-top: 10px;