fix(input-date-picker): no longer close while navigating months with chevron actions (#11525)

**Related Issue:** #11534 

## Summary

No longer close `input-date-picker` while navigating between months with
chevron actions & min/max are assigned adjacent month values.

Author: anveshmekala

packages/calcite-components/src/components/date-picker-month-header/date-picker-month-header.tsx

@@ -351,7 +351,10 @@ export class DatePickerMonthHeader extends LitElement {
 
     if (isTargetLastValidMonth) {
       if (!this.position) {
-        await (isDirectionLeft ? this.nextMonthAction.setFocus() : this.prevMonthAction.setFocus());
+        const target = isDirectionLeft ? this.nextMonthAction : this.prevMonthAction;
+        // enabling the action to be focusable when min & max are one month apart.
+        target.disabled = false;
+        await target.setFocus();
       } else {
         this.yearInputEl.value.focus();
       }

packages/calcite-components/src/components/input-date-picker/input-date-picker.e2e.ts

@@ -1608,6 +1608,37 @@ describe("calcite-input-date-picker", () => {
       expect(await calendar.isVisible()).toBe(true);
     });
 
+    it("should not close date-picker when user navigate using chevrons & min, max are set to adjacent months", async () => {
+      const page = await newE2EPage();
+      await page.setContent(
+        html`<calcite-input-date-picker
+          min="2024-08-10"
+          value="2024-09-15"
+          max="2024-09-14"
+        ></calcite-input-date-picker>`,
+      );
+
+      const calendar = await page.find(`calcite-input-date-picker >>> .${CSS.calendarWrapper}`);
+      expect(await calendar.isVisible()).toBe(false);
+
+      const input = await page.find("calcite-input-date-picker >>> calcite-input-text");
+      await input.click();
+      await page.waitForChanges();
+      expect(await calendar.isVisible()).toBe(true);
+
+      await navigateMonth(page, "previous");
+      await page.waitForChanges();
+      expect(await calendar.isVisible()).toBe(true);
+
+      await navigateMonth(page, "next");
+      await page.waitForChanges();
+      expect(await calendar.isVisible()).toBe(true);
+
+      await navigateMonth(page, "previous");
+      await page.waitForChanges();
+      expect(await calendar.isVisible()).toBe(true);
+    });
+
     it("should not close date-picker when user navigate to last valid month in range", async () => {
       const page = await newE2EPage();
       await page.setContent(