List view: fix miscolored icons (#65707)

* List view: fix miscolored icons

* Add forced-colors media query

Co-authored-by: t-hamano <wildworks@git.wordpress.org>
Co-authored-by: tyxla <tyxla@git.wordpress.org>
Co-authored-by: Mamaduka <mamaduka@git.wordpress.org>
Co-authored-by: ciampo <mciampini@git.wordpress.org>
Co-authored-by: jameskoster <jameskoster@git.wordpress.org>

packages/block-editor/src/components/list-view/style.scss

@@ -41,6 +41,15 @@
 		&:hover {
 			color: var(--wp-admin-theme-color);
 		}
+
+		svg {
+			fill: currentColor;
+			// Optimizate for high contrast modes.
+			// See also https://blogs.windows.com/msedgedev/2020/09/17/styling-for-windows-high-contrast-with-new-standards-for-forced-colors/.
+			@media (forced-colors: active) {
+				fill: CanvasText;
+			}
+		}
 	}
 
 	&:not(.is-selected) .block-editor-list-view-block-select-button {