Update and add new icons for social media links

• SM-544: Update Twitter Icon in global footer

• X (formerly Twitter)

• TikTok

• New icons can be syndicated down to divisional and unit sites with appropriate links

Slides being syndicated down were not showing up on certain mobile views

• SM-464: Syndicated Theater Slides not rendering mobile version of images

• This capability previously was not available

• Mobile images will now be syndicated down to theater slides