Fix building conan pkg from source

[atimin]

Please check if the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• CHANGELOG.md have been updated (for bug fixes / features / docs)

What kind of change does this PR introduce?

Bug fix

What is the current behavior?

Conan package couldn't be built from source:

CMake Error: The source directory "/home/atimin/.conan/data/drift_protocol/0.2.0-b.2576187115/drift/develop/build/82b48852392ca112918cfe2d48d75f33262ebdc9/cpp" does not exist.
Specify --help for usage, or press the help button on the CMake GUI.
drift_protocol/0.2.0-b.2576187115@drift/develop: 
drift_protocol/0.2.0-b.2576187115@drift/develop: WARN: Package binary is corrupted, removing: 82b48852392ca112918cfe2d48d75f33262ebdc9
drift_protocol/0.2.0-b.2576187115@drift/develop: WARN: Build folder is dirty, removing it: /home/atimin/.conan/data/drift_protocol/0.2.0-b.2576187115/drift/develop/build/82b48852392ca112918cfe2d48d75f33262ebdc9
drift_protocol/0.2.0-b.2576187115@drift/develop: ERROR: Package '82b48852392ca112918cfe2d48d75f33262ebdc9' build failed
drift_protocol/0.2.0-b.2576187115@drift/develop: WARN: Build folder /home/atimin/.conan/data/drift_protocol/0.2.0-b.2576187115/drift/develop/build/82b48852392ca112918cfe2d48d75f33262ebdc9
ERROR: drift_protocol/0.2.0-b.2576187115@drift/develop: Error in build() method, line 46

What is the new behavior?

I fixed directory path

Does this PR introduce a breaking change?**

Not

Other information: