[POC] Respect User selected locale in Calendar calculation

[suhaibabsi-inst]

This is to respect the default Calendar's "firstOfWeek" property of the locale selected by user on desktop web app.

Checklist

• Follow-up e2e test ticket created
• A11y checked
• Tested on phone
• Tested on tablet
• Tested in dark mode
• Tested in light mode
• Approve from product

[inst-danger]

	Warnings
⚠️	One or more files are below the minimum test coverage 50%

Coverage	New %	Master %	Delta
Canvas iOS	91.27%	91.27%	-0.01%
Core/Core/Common/CommonModels/Store/FetchedCollection.swift	48.72%	48.72%	0%
Core/Core/Common/Extensions/Foundation/CGSizeExtensions.swift	0%	0%	0%
Core/Core/Features/Courses/SmartSearch/Model/CourseSmartSearchViewAttributes.swift	30.77%	30.77%	0%
Core/Core/Common/Extensions/SwiftUI/UIColor+Color.swift	0%	0%	0%
Core/Core/Features/Search/Model/SearchSupportButtonModel.swift	0%	0%	0%
Core/Core/Common/CommonModels/AppEnvironment/AppEnvironmentOverride.swift	32.76%	32.76%	0%

Generated by 🚫 dangerJS against 01b0911

[inst-danger]

Builds