prompt current config item that is being deleted

[kezhenxu94]

TODO Item

This patch adds prompt message when deleting config item, the prompt message may need ajustment if required.

[codecov-io]

Codecov Report

Merging #1898 into master will increase coverage by 0.04%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1898      +/-   ##
============================================
+ Coverage     50.21%   50.26%   +0.04%     
- Complexity     1926     1928       +2     
============================================
  Files           394      394              
  Lines         12051    12051              
  Branches       1224     1224              
============================================
+ Hits           6052     6057       +5     
+ Misses         5545     5540       -5     
  Partials        454      454

Impacted Files	Coverage Δ	Complexity Δ
...work/apollo/biz/message/DatabaseMessageSender.java	67.34% <0%> (+10.2%)	8% <0%> (+2%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9b3aa3c...1e467a7. Read the comment docs.