chore: No ALL_CAPS

[godexsoft]

This PR renames identifiers according to the updated clang-tidy configuration.
It also fixes the placement of constexpr when used with static and small other cosmetic fixes.

Let me know what you think.
I don't really like how non-const statics became kALL_CAPS formatted but clang-tidy does not seem to be able to make the distinction very well.

[codecov]

Codecov Report

Attention: Patch coverage is 64.19966% with 208 lines in your changes missing coverage. Please review.

Project coverage is 71.39%. Comparing base (efe5d08) to head (ed29df5).

Files with missing lines	Patch %	Lines
src/rpc/handlers/LedgerEntry.hpp	62.96%	7 Missing and 13 partials ⚠️
src/util/log/Logger.cpp	27.27%	15 Missing and 1 partial ⚠️
src/app/ClioApplication.cpp	0.00%	11 Missing ⚠️
src/main/Main.cpp	0.00%	8 Missing ⚠️
src/etl/impl/Transformer.hpp	0.00%	7 Missing ⚠️
src/rpc/RPCHelpers.cpp	80.00%	2 Missing and 5 partials ⚠️
src/util/config/Config.cpp	56.25%	2 Missing and 5 partials ⚠️
src/web/impl/HttpBase.hpp	50.00%	1 Missing and 6 partials ⚠️
.../migration/cassandra/CassandraMigrationBackend.hpp	0.00%	6 Missing ⚠️
src/rpc/common/MetaProcessors.hpp	25.00%	0 Missing and 6 partials ⚠️
... and 72 more

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1760   +/-   ##
========================================
  Coverage    71.39%   71.39%           
========================================
  Files          314      314           
  Lines        13111    13111           
  Branches      6683     6683           
========================================
  Hits          9360     9360           
  Misses        1967     1967           
  Partials      1784     1784           

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[cindyyan317]

I think kALL_CAPS is fine. I don't down what k means thou.

I am happy to see make_ gone...