Rename class status "Failed" to "Try-again"

webclient/src/InstructorClasses.js

@@ -116,8 +116,8 @@ function AttendanceRow(props) {
 				Rescheduled
 			</Button>
 
-			<Button {...makeProps('Failed')}>
-				Failed
+			<Button {...makeProps('Try-again')}>
+				Try-again
 			</Button>
 
 			<Button {...makeProps('No-show')}>
@@ -499,4 +499,4 @@ export function InstructorClassList(props) {
 			}
 		</div>
 	);
-};
+};