Patch crashing explorer on paste (microsoft#200396) (microsoft#200402)

* Patch crashing explorer on paste

* Write filename to clipboard

Author: lramos15

src/vs/workbench/contrib/files/browser/explorerService.ts

@@ -286,6 +286,9 @@ export class ExplorerService implements IExplorerService {
 		const previouslyCutItems = this.cutItems;
 		this.cutItems = cut ? items : undefined;
 		await this.clipboardService.writeResources(items.map(s => s.resource));
+		if (items.length === 1) {
+			await this.clipboardService.writeText(items[0].name);
+		}
 
 		this.view?.itemsCopied(items, cut, previouslyCutItems);
 	}

src/vs/workbench/contrib/files/browser/fileActions.ts

@@ -1124,6 +1124,12 @@ export const pasteFileHandler = async (accessor: ServicesAccessor, fileList?: Fi
 	const element = context.length ? context[0] : explorerService.roots[0];
 	const incrementalNaming = configurationService.getValue<IFilesConfiguration>().explorer.incrementalNaming;
 
+	const editableItem = explorerService.getEditable();
+	// If it's an editable item, just do nothing
+	if (editableItem) {
+		return;
+	}
+
 	try {
 		// Check if target is ancestor of pasted folder
 		const sourceTargetPairs = coalesce(await Promise.all(toPaste.map(async fileToPaste => {