WPSP Optimization: Changing icons from fonts to SVGs or adding font-display: swap; or preload fonts for icons.

[ejcabquina]

Consider adding font-display: swap; or preloading of WPShow Posts fonts so it doesn't get flagged on Google PSI as an issue.

Or completely remove the use of fonts in favor of SVG icons.

Context: https://wpshowposts.com/support/topic/ensure-text-remains-visible-during-webfont-wp-show-posts-ttf/#post-25335