Update breadcrumbs

src/vs/base/browser/ui/breadcrumbs/breadcrumbsWidget.css

@@ -31,12 +31,16 @@
 }
 
 .monaco-breadcrumbs .monaco-breadcrumb-item:not(:nth-child(2))::before {
-	background-image: url(./collapsed.svg);
+	background-image: url(./tree-collapsed-light.svg);
 	opacity: .7;
 	background-size: 16px;
 	background-position: 50% 50%;
 }
 
 .vs-dark .monaco-breadcrumbs .monaco-breadcrumb-item:not(:nth-child(2))::before {
-	background-image: url(./collpased-dark.svg);
+	background-image: url(./tree-collapsed-dark.svg);
+}
+
+.hc-black .monaco-breadcrumbs .monaco-breadcrumb-item:not(:nth-child(2))::before {
+	background-image: url(./tree-collapsed-hc.svg);
 }

src/vs/base/browser/ui/breadcrumbs/collapsed.svg

-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="#646465" d="M6 4v8l4-4-4-4zm1 2.414L8.586 8 7 9.586V6.414z"/></svg>
\ No newline at end of file

src/vs/base/browser/ui/breadcrumbs/collpased-dark.svg

-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="#E8E8E8" d="M6 4v8l4-4-4-4zm1 2.414L8.586 8 7 9.586V6.414z"/></svg>
\ No newline at end of file

src/vs/base/browser/ui/breadcrumbs/tree-collapsed-dark.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5.66669 12.6667L10.3334 8.00001L5.66669 3.33335" stroke="#C5C5C5" stroke-width="0.875" stroke-linejoin="bevel"/>
+</svg>

src/vs/base/browser/ui/breadcrumbs/tree-collapsed-hc.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5.66669 12.6667L10.3334 8L5.66669 3.33334" stroke="white" stroke-width="0.875" stroke-linejoin="bevel"/>
+</svg>

src/vs/base/browser/ui/breadcrumbs/tree-collapsed-light.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5.66669 12.6667L10.3334 8L5.66669 3.33334" stroke="#424242" stroke-width="0.875" stroke-linejoin="bevel"/>
+</svg>