fix(browser-use): respect API default for highlightElements

Only send highlightElements when user explicitly toggles it; previously defaulted to true which silently overrode the v2 API default of false.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/tools/browser_use/run_task.ts

@@ -132,7 +132,8 @@ function buildRequestBody(
   if (typeof params.thinking === 'boolean') body.thinking = params.thinking
   if (typeof params.vision === 'boolean' || params.vision === 'auto') body.vision = params.vision
   if (params.systemPromptExtension) body.systemPromptExtension = params.systemPromptExtension
-  body.highlightElements = params.highlightElements ?? true
+  if (typeof params.highlightElements === 'boolean')
+    body.highlightElements = params.highlightElements
 
   const allowedDomains = parseAllowedDomains(params.allowedDomains)
   if (allowedDomains) body.allowedDomains = allowedDomains