Support editor.fontAliasing on all platforms

[Tyriar]

vscode/src/vs/workbench/browser/workbench.contribution.ts

Lines 566 to 579 in aef2733

	'workbench.fontAliasing': {
	'type': 'string',
	'enum': ['default', 'antialiased', 'none', 'auto'],
	'default': 'default',
	'description':
	localize('fontAliasing', "Controls font aliasing method in the workbench."),
	'enumDescriptions': [
	localize('workbench.fontAliasing.default', "Sub-pixel font smoothing. On most non-retina displays this will give the sharpest text."),
	localize('workbench.fontAliasing.antialiased', "Smooth the font on the level of the pixel, as opposed to the subpixel. Can make the font appear lighter overall."),
	localize('workbench.fontAliasing.none', "Disables font smoothing. Text will show with jagged sharp edges."),
	localize('workbench.fontAliasing.auto', "Applies `default` or `antialiased` automatically based on the DPI of displays.")
	],
	'included': isMacintosh
	},

We need to verify this works on other platforms and then enable it as it will be a setting supported by the GPU renderer. This was only mac-specific before as Apple started defaulting to greyscale aliasing due to high adoption of retina screens. High DPI screens are more widespread in other OS' now.