Apply suggestion from @roomote[bot]

Co-authored-by: roomote[bot] <219738659+roomote[bot]@users.noreply.github.com>

Author: daniel-lxs

src/core/tools/codebaseSearchTool.ts

@@ -17,7 +17,7 @@ export async function codebaseSearchTool(
 	removeClosingTag: RemoveClosingTag,
 ) {
 	const toolName = "codebase_search"
-	const workspacePath = cline.cwd || getWorkspacePath()
+	const workspacePath = (cline.cwd && cline.cwd.trim() !== '') ? cline.cwd : getWorkspacePath()
 
 	if (!workspacePath) {
 		// This case should ideally not happen if Cline is initialized correctly