debug repl: renderLineHighlight: false

fixes #10800

src/vs/workbench/parts/debug/browser/media/repl.css

@@ -117,11 +117,6 @@
 	content: '';
 }
 
-.monaco-workbench .repl .repl-input-wrapper .monaco-editor .current-line {
-	/* Hide selected line highlight */
-	border: none;
-}
-
 .hc-black .monaco-workbench .repl .repl-input-wrapper {
 	border-top-color: #6FC3DF;
 }

src/vs/workbench/parts/debug/electron-browser/repl.ts

@@ -266,7 +266,8 @@ export class Repl extends Panel implements IPrivateReplService {
 			lineDecorationsWidth: 0,
 			scrollBeyondLastLine: false,
 			lineHeight: 21,
-			theme: this.themeService.getColorTheme()
+			theme: this.themeService.getColorTheme(),
+			renderLineHighlight: false
 		};
 	}