[exec.snd.expos] Move write-env paragraph into itemdescr (#7571)

Author: jensmaurer

source/exec.tex

@@ -1893,7 +1893,6 @@
     };
 };
 \end{codeblock}
-\end{itemdescr}
 Invocation of
 \tcode{\exposid{impls-for}<\exposid{write-env-t}>::\exposid{get-env}}
 returns an object \tcode{e} such that
@@ -1905,8 +1904,9 @@
 the expression \tcode{e.query(q)} is expression-equivalent
 to \tcode{state.query(q)} if that expression is valid,
 otherwise, \tcode{e.query(q)} is expression-equivalent
-to \tcode{get_env(rcvr).query(q)}.
+to \tcode{get_env(rcvr).que\-ry(q)}.
 \end{itemize}
+\end{itemdescr}
 
 \rSec2[exec.snd.concepts]{Sender concepts}