Merge pull request #6421 from NomicFoundation/fix/mermaid-centering-v3

Fix for mermaid centering on v3. Resolves #6409.

Author: zoeyTM

.changeset/slow-lobsters-watch.md

@@ -0,0 +1,5 @@
+---
+"@nomicfoundation/ignition-ui": patch
+---
+
+Fix for mermaid diagram centering in visalization report [#6409](https://github.com/NomicFoundation/hardhat/issues/6409).

v-next/hardhat-ignition-ui/src/main.css

@@ -64,6 +64,7 @@ span.future-to-module-arrow {
 .mermaid svg {
   height: 100%;
   vertical-align: middle;
+  max-width: unset !important;
 }
 
 .mermaid span {