Don't assume all identical references should have the same value.
Filter by checking that only symbol units having the same reference
also have the same library identifier before updating the value and
footprint fields.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/8313
Bitmaps are now identified by an enum class instead of by pointers.
Bitmap loading and caching is now handled by a class in common, and
we no longer compile most bitmaps into the binary, so there is no
longer a bitmaps static library.
Instead, bitmaps are archived to a .tar.gz file which is installed
in ${KICAD_DATA}/resources/images.tar.gz
The source PNGs are checked in to Git as the original CPP files were,
so that people can build without the required dependencies to convert
SVGs to PNGs.
Initial support is also added for dark theme icons, although this
is not yet exposed in the GUI.
Stubs are present for multi-resolution image resources, but this is
not fully-baked yet and could use some refinement.
In some cases selecting a field to change its value make this value invisible.
It happens until the dialog is resized, so I am guessing there is a problem
when initializing sizers settings.
Old .sch files do not store the symbol part description (stored in a cache lib)
So when using a .sch file, the part description can be not existing.
The fix tests for non existing part description.
Fixes#6580https://gitlab.com/kicad/code/kicad/issues/6580
Stop trying to make a read only wxTextCtrl with a custom font work
for displaying the symbol library identifier and use an ellipsized
wxStaticText control with the standard font instead.
Fixes https://gitlab.com/kicad/code/kicad/-/issues/6240
