Update dashboard `EnhancedConversionsNotification` priority to `SETUP_CTA_HIGH` for consistency

[hussain-t]

Feature Description

The dashboard EnhancedConversionsNotification in both Analytics-4 and Ads modules is currently using PRIORITY.INFO but is part of the NOTIFICATION_GROUPS.SETUP_CTAS group. For consistency with other dashboard notifications in the SETUP_CTAs queue (such as ConsentModeSetupCTABanner, AudienceSegmentationIntroductoryOverlayNotification, etc.), this notification should use PRIORITY.SETUP_CTA_HIGH instead.

This improves code consistency and makes the priority naming convention align with the notification group it belongs to. All other dashboard notifications in the SETUP_CTAS group use priorities that begin with SETUP_CTA_*.

Bug Bashing Asana ticket for reference.

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Acceptance criteria

• The ENHANCED_CONVERSIONS_NOTIFICATION_ANALYTICS dashboard notification in the Analytics-4 module uses PRIORITY.SETUP_CTA_HIGH instead of PRIORITY.INFO.
• The ENHANCED_CONVERSIONS_NOTIFICATION_ADS dashboard notification in the Ads module uses PRIORITY.SETUP_CTA_HIGH instead of PRIORITY.INFO.
• The dashboard notification behavior remains unchanged.

Implementation Brief

• In assets/js/modules/analytics-4/index.js, change priority: PRIORITY.INFO to priority: PRIORITY.SETUP_CTA_HIGH for the ENHANCED_CONVERSIONS_NOTIFICATION_ANALYTICS notification.
• In assets/js/modules/ads/index.js, change priority: PRIORITY.INFO to priority: PRIORITY.SETUP_CTA_HIGH for the ENHANCED_CONVERSIONS_NOTIFICATION_ADS notification.

Test Coverage

• No new tests are required.
• Existing tests for both EnhancedConversionsNotification components should continue to pass.

QA Brief

Changelog entry

[nfmohit]

IB ✅