support modern header footer

[czullu]

@jansenbe implementation of #1690
Support for new Header and Footer settings Support to Get available fonts in Branding Manager from Site, OutOfBox, Branding Center (Organization) Support to Set Font to Site in Branding Manager for OutOfBox and Branding Center Fonts (Organization)

The Chrome properties are reflected as WebProperties: "HeaderOverlayColor", "HeaderOverlayOpacity", "HeaderOverlayGradientDirection", "HeaderColorIndexInLightMode", "HeaderColorIndexInDarkMode", "FooterAlignment", "FooterOverlayColor", "FooterOverlayOpacity", "FooterOverlayGradientDirection", "FooterColorIndexInLightMode", "FooterColorIndexInDarkMode", "FontOptionForSiteTitle", "FontOptionForSiteNav", "FontOptionForSiteFooterTitle", "FontOptionForSiteFooterNav", "FooterBackgroundImageUrl", "FooterBackgroundImageFocalPoint", "BackgroundImageUrl"

But have to be set as /_api/web/SetChromeOptions { "headerLayout": 4, "headerEmphasis": 2, "megaMenuEnabled": true, "footerEnabled": true, "footerLayout": 0, "footerEmphasis": 0, "hideTitleInHeader": false, "logoAlignment": 1, "footerAlignment": 0, "footerOverlayColor": -1, "footerOverlayOpacity": 0, "footerOverlayGradientDirection": 0, "headerOverlayColor": 1, "headerOverlayOpacity": 54, "headerOverlayGradientDirection": 0, "fontOptionForSiteTitle": null, "fontOptionForSiteNav": null, "fontOptionForSiteFooterTitle": null, "fontOptionForSiteFooterNav": null, "horizontalQuickLaunch": true, "headerColorIndexInLightMode": -1, "headerColorIndexInDarkMode": -1, "footerColorIndexInLightMode": -1, "footerColorIndexInDarkMode": -1 }

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Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 81.25%. Comparing base (63545f3) to head (52ee035). :warning: Report is 2654 commits behind head on dev. :exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1691      +/-   ##
==========================================
- Coverage   82.42%   81.25%   -1.17%     
==========================================
  Files         416      637     +221     
  Lines       28590    45266   +16676     
  Branches        0     4750    +4750     
==========================================
+ Hits        23565    36783   +13218     
- Misses       5025     7087    +2062     
- Partials        0     1396    +1396     

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