chore(overlay): typeScript module resolution issue in InteractionController

[Rajdeepc]

Description

Problem

TypeScript compilation fails with moduleResolution: "bundler" and allowImportingTsExtensions: true due to inconsistent import patterns in the library. The specific error was:

error TS2307: Cannot find module '@spectrum-web-components/overlay/src/AbstractOverlay' or its corresponding type declarations.

Root Cause

The import in packages/picker/src/InteractionController.ts was missing the .js extension:

// Before (causing the error)
import { AbstractOverlay } from '@spectrum-web-components/overlay/src/AbstractOverlay';

Solution

Added the missing .js extension to ensure consistent module resolution:

// After (fixed)
import { AbstractOverlay } from '@spectrum-web-components/overlay/src/AbstractOverlay.js';

Impact

✅ Fixes TypeScript compilation errors for users with modern TypeScript configurations
✅ Ensures compatibility with both moduleResolution: "node" and moduleResolution: "bundler"
✅ Maintains backward compatibility - no breaking changes
✅ Consistent with existing import patterns throughout the codebase

Motivation and context

Related issue(s)

• fixes SWC-1254

Screenshots (if appropriate)

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Author's checklist

• I have read the CONTRIBUTING and PULL_REQUESTS documents.
• I have reviewed at the Accessibility Practices for this feature, see: Aria Practices
• I have added automated tests to cover my changes.
• I have included a well-written changeset if my change needs to be published.
• I have included updated documentation if my change required it.

---

Reviewer's checklist

• Includes a Github Issue with appropriate flag or Jira ticket number without a link
• Includes thoughtfully written changeset if changes suggested include patch, minor, or major features
• Automated tests cover all use cases and follow best practices for writing
• Validated on all supported browsers
• All VRTs are approved before the author can update Golden Hash

Manual review test cases

• Descriptive Test Statement

  1. TypeScript compilation passes with both traditional and modern module resolution settings
  2. No impact on existing functionality
  3. Declaration files (.d.ts) generate correctly

Device review

• Did it pass in Desktop?
• Did it pass in (emulated) Mobile?
• Did it pass in (emulated) iPad?

[changeset-bot]

⚠️ No Changeset found

Latest commit: 19b184b

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🔍 Visual Regression Test Results

When a visual regression test fails (or has previously failed while working on this branch), its results can be found in the following URLs:

• Spectrum | Light | Medium | LTR
• Spectrum | Dark | Large | RTL
• Express | Light | Medium | LTR
• Express | Dark | Large | RTL
• Spectrum-two | Light | Medium | LTR
• Spectrum-two | Dark | Large | RTL
• High Contrast Mode | Medium | LTR

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