Prevent flowchart labels from being cut off (#698)

Band-aid fix but 🤷.

Author: 72636c

.changeset/tidy-suits-beg.md

@@ -0,0 +1,5 @@
+---
+'scoobie': patch
+---
+
+mermaid: Fix flowchart labels being cut off

remark/mermaid/style.css

@@ -82,6 +82,11 @@ g.node foreignObject.label {
   overflow-y: visible;
 }
 
+g.edgeLabel foreignObject,
+g.label foreignObject {
+  overflow-x: visible;
+}
+
 .edgeLabel div {
   background-color: var(--mermaid-er-label-fill);
 }