fix(app): keep bare slash as plain inline code (anomalyco#34122)

Co-authored-by: 𝓛𝓲𝓽𝓽𝓵𝓮 𝓕𝓻𝓪𝓷𝓴 <little-frank@opencord.local>

Author: opencode-agent[bot]

packages/session-ui/src/components/markdown-inline-code-kind.ts

@@ -1,6 +1,7 @@
 export function inlineCodeKind(text: string): "path" | "url" | undefined {
   if (/^https?:\/\//i.test(text)) return "url"
   if (/^[a-z][a-z0-9+.-]*:\/\//i.test(text)) return
+  if (text === "/") return
   if (/^\/[a-z][a-z0-9-]*$/i.test(text)) return
   if (/\s/.test(text)) return
   if (/[()\[\]{}*+=<>|&^"';]/.test(text)) return