Add a new attribute for mg card overlay color control

[anu13297]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

• Added a new attribute to control the mg card overlay color.
• Added 'mg-card-dark' to add dark overlay for mg card irrespective of calcite mode.

Test URLs 1:

• Original: https://www.esri.com/en-us/about/about-esri/overview
• Before: https://main--esri-eds--esri.aem.live/en-us/about/about-esri/overview
• After: https://mgcardcolor--esri-eds--esri.aem.live/en-us/about/about-esri/overview

Test URLs 2:

• Original: https://www.esri.com/en-us/about/about-esri/europe/overview
• Before: https://main--esri-eds--esri.aem.live/en-us/about/about-esri/europe/overview
• After: https://mgcardcolor--esri-eds--esri.aem.live/en-us/about/about-esri/europe/overview

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
• Re-sync branch

Commits

• 2e412ec ✅ (latest)

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/en-us/about/about-esri/europe/overview		Timeout Exceeded
🖥️	/en-us/about/about-esri/europe/overview		Timeout Exceeded
📱	/en-us/about/about-esri/overview
🖥️	/en-us/about/about-esri/overview

[twhite313]

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