Fix optionalReplacementSpan not being applied to completion entries (m…

…icrosoft#200945)

* Fix optionalReplacementSpan not being applied to completion entries

* Format completions.ts

extensions/typescript-language-features/src/languageFeatures/completions.ts

@@ -760,6 +760,12 @@ class TypeScriptCompletionItemProvider implements vscode.CompletionItemProvider<
 			isIncomplete = !!response.body.isIncomplete || (response as any).metadata && (response as any).metadata.isIncomplete;
 			entries = response.body.entries;
 			metadata = response.metadata;
+
+			if (response.body.optionalReplacementSpan) {
+				for (const entry of entries) {
+					entry.replacementSpan ??= response.body.optionalReplacementSpan;
+				}
+			}
 		} else {
 			const response = await this.client.interruptGetErr(() => this.client.execute('completions', args, token));
 			if (response.type !== 'response' || !response.body) {