jj: Fix jlof and jloof to be case insensitive

Aligns them with the shorter-form `jlf` alias which has been case
insensitive for a while.

vcs/jj/config/sh/alias.d/jj.sh

@@ -60,10 +60,10 @@ jlf() {
     jj log -r "description(substring-i:\"$*\")"
 }
 jlof() {
-    jj log --summary -r "description($*)"
+    jj log --summary -r "description(substring-i:\"$*\")"
 }
 jloof() {
-    jj log --patch -r "description($*)"
+    jj log --patch -r "description(substring-i:\"$*\")"
 }
 
 # show branches (i.e. head commits) w a couple previous commits