[ISSUE-435][PART-B] Fix typo in trace constant "contant -> constant".

[BeautyyuYanli]

What is the purpose of the change

Fix typo: contant -> constant

Brief changelog

• replace Contant with Constant
• rename file src/trace/TraceContant.cpp as src/trace/TraceConstant.cpp
• rename file src/trace/TraceContant.h as src/trace/TraceConstant.h

Verifying this change

XXXX

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[ShannonDing]

link #435