chore: fix eslint in blocksuite (#9232)

blocksuite/affine/components/src/date-picker/date-picker.ts

@@ -54,9 +54,9 @@ export class DatePicker extends WithDisposable(LitElement) {
   /** current active month */
   private _cursor = new Date();
 
-  private _maxYear = 2099;
+  private readonly _maxYear = 2099;
 
-  private _minYear = 1970;
+  private readonly _minYear = 1970;
 
   get _cardStyle() {
     return {

blocksuite/affine/components/src/date-picker/utils.ts

@@ -68,6 +68,6 @@ export function getMonthMatrix(maybeDate: MaybeDate) {
 }
 
 export function clamp(num1: number, num2: number, value: number) {
-  const [min, max] = [num1, num2].sort();
+  const [min, max] = [num1, num2].sort((a, b) => a - b);
   return Math.min(Math.max(value, min), max);
 }