adds limit on issue reporter description (#208346)

src/vs/code/electron-sandbox/issue/issueReporterPage.ts

@@ -83,6 +83,7 @@ export default (): string => `
 			<textarea name="description" id="description" placeholder="${escape(localize('details', "Please enter details."))}" required></textarea>
 		</div>
 		<div id="description-empty-error" class="validation-error hidden" role="alert">${escape(localize('descriptionEmptyValidation', "A description is required."))}</div>
+		<div id="description-short-error" class="validation-error hidden" role="alert">${escape(localize('descriptionTooShortValidation', "Please provide a longer description."))}</div>
 	</div>
 
 	<div class="system-info" id="block-container">

src/vs/code/electron-sandbox/issue/issueReporterService.ts

@@ -924,13 +924,24 @@ export class IssueReporter extends Disposable {
 	private validateInput(inputId: string): boolean {
 		const inputElement = (<HTMLInputElement>this.getElementById(inputId));
 		const inputValidationMessage = this.getElementById(`${inputId}-empty-error`);
+		const descriptionShortMessage = this.getElementById(`description-short-error`);
 		if (!inputElement.value) {
 			inputElement.classList.add('invalid-input');
 			inputValidationMessage?.classList.remove('hidden');
+			descriptionShortMessage?.classList.add('hidden');
 			return false;
-		} else {
+		} else if (inputId === 'description' && inputElement.value.length < 10) {
+			inputElement.classList.add('invalid-input');
+			descriptionShortMessage?.classList.remove('hidden');
+			inputValidationMessage?.classList.add('hidden');
+			return false;
+		}
+		else {
 			inputElement.classList.remove('invalid-input');
 			inputValidationMessage?.classList.add('hidden');
+			if (inputId === 'description') {
+				descriptionShortMessage?.classList.add('hidden');
+			}
 			return true;
 		}
 	}