Create a pyinstaller "onedir" executable instead of a "onefile" executable.
Note that the name change from "Electrum" to "run_electrum" affects the
name of the internal binary (usually not exposed to users). This is
needed to avoid a collision with the "electrum" folder inside the .app
(just like in the source tree).
based on 03c3eca856
maybe fixes#6225
Traceback (most recent call last):
File "site-packages\PyInstaller\loader\rthooks\pyi_rth_pkgres.py", line 13, in <module>
File "c:\python3\lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 623, in exec_module
File "site-packages\pkg_resources\__init__.py", line 86, in <module>
ModuleNotFoundError: No module named 'pkg_resources.py2_warn'
[7048] Failed to execute script pyi_rth_pkgres
When bumping pyinstaller to 3.4, binary sizes had increased drastically.
The main reason seems to be that pyinstaller is pulling in "all" of qt.
based on Electron-Cash/Electron-Cash@4b09969594
