Fix #68883 - keep internal whitespace in search result text

src/vs/workbench/contrib/search/browser/media/searchview.css

@@ -182,6 +182,7 @@
 .search-view .linematch > .match {
 	overflow: hidden;
 	text-overflow: ellipsis;
+	white-space: pre;
 }
 
 .search-view .linematch .matchLineNum {

src/vs/workbench/contrib/search/common/searchModel.ts

@@ -79,6 +79,7 @@ export class Match {
 			after = this._oneLinePreviewText.substring(this._rangeInPreviewText.endColumn - 1);
 
 		before = lcut(before, 26);
+		before = before.trimLeft();
 
 		let charsRemaining = Match.MAX_PREVIEW_CHARS - before.length;
 		inside = inside.substr(0, charsRemaining);