fix: install.sh check if connector/example exist (#20848)

* chore: refactor cus prompt

* fix: client name in install.sh

* fix: -Wno-reserved-user-defined-literal

* fix: update taos-tools commit

* fix: include/os/osDir.h

* fix: check cus name

* fix: makepkg.sh

* chore: update taos-tools d194dc9

* fix: cus name

* fix: change adapter prefix

* fix: tools/*.sh

* fix: scripts

* fix: ../../packaging/tools/install_client.sh

* chore: cus domain in script

* fix: cus name in packaging/tools/install.sh

* fix: cus name in ../../packaging/tools/remove.sh

* fix: don't edit origin file

* fix: remove brand name

* fix: update taos-tools

* fix: cus name in log

* fix: compile error without cuc name

* fix: source/common/src/tglobal.c

* fix: install.sh

---------
Co-authored-by: chenhaoran <haoran920c@163.com>

packaging/tools/install.sh

@@ -586,12 +586,14 @@ function install_data() {
 }
 
 function install_connector() {
-  [ -d "${script_dir}/connector/" ] && ${csudo}cp -rf ${script_dir}/connector/ ${install_main_dir}/
+  if [ -d "${script_dir}/connector/" ]; then
+    ${csudo}cp -rf ${script_dir}/connector/ ${install_main_dir}/ || echo "failed to copy connector"
+  fi
 }
 
 function install_examples() {
   if [ -d ${script_dir}/examples ]; then
-    ${csudo}cp -rf ${script_dir}/examples/* ${install_main_dir}/examples
+    ${csudo}cp -rf ${script_dir}/examples/* ${install_main_dir}/examples || echo "failed to copy examples"
   fi
 }