being in the labscript-suite profile path.

Implemented as a simple string filter for common component names.

- Set the default value of `max_BLACS_conn_length` to 0 so that the
`np.empty` always receives a valid arguement
- Fixes labscript-suite#118

- Define the attribute `BLACS_connection` in base class `Device`, to
ensure that all `Device` subclasses have this attribute.

Suggested-by: @dihm

…er()

fix: set 0 as default `max_BLACS_conn_length`

Ignore PySide6 import objects in CWD when saving labscript files on compilation

…ame-bug

Remove try except for variable checking in favor of string.isidentifi…

Setting this in the base class creates ordering requirements for when
subclasses call the base class `__init__` in order for their
`BLACS_connection` not to be overridden.

Simplify connection table string length calculation by just using
variable length strings for all fields (except for the name field)

Connection table reading code in `labscript_utils/connections.py`, does
not rely on these being fixed-length `numpy` strings. Unless code is
explicitly checking the dtype, it can't tell the difference and gets
back bytestrings.

There is a bug in labscript_utils/properties where code being too
clever *does* (unnecessarily) check the dtype of the name field
explicitly in order to be compatible with either fixed or
variable-length strings, but this is done correctly and will crash on
actual vlen strings. This check should be removed, but we should leave
the name field fixed-length so that existing installations with the bug
can still read the files created by newer labscript versions.

…nection-bug

Don't have all devices have a BLACS_connection