eeschema: copy-paste component - (temporary) connection points disappear

[Dino Ghilardi]

In eeschema, copying a component (ctrl-c ctrl-v) creates a new components without the connection "circles". (see attached image). In this condition when you drag the component the wires are not dragged.

To reproduce the bug:
-create a new schematic
-place a component (i.e. a test point or any other component that have pins)
-copy-paste it to have a new component.
-the new component cannot be connected (also graphically there are not the small circle used to show the connection points). dragging does not move the wire that touches the pin etc...

Some operations make the component behaviour back to normal, so this is not a "heavy" bug. In detail:
Exiting and reloading the sheet makes the symbol correct and the circles reappear.
Also saving the current sheet makes the symbol correct and the circles reappear.
Also entering and exiting a child sheet makes the symbol correct and the circles reappear.
Also "update pcb from schematic" makes the symbol correct and the circles reappear and also the netlist passed to pcbnew seems correct.

Cheers,
Dino.

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Tested on release 6b4b2d61f8af7f75710e57157a9d50ee07293bf0

-------------------------------------
Application: Eeschema
Version: (5.1.0-757-g6b4b2d61f), debug build
Libraries:
    wxWidgets 3.0.2
    libcurl/7.52.1 OpenSSL/1.0.2r zlib/1.2.8 libidn2/0.16 libpsl/0.17.0 (+libidn2/0.16) libssh2/1.7.0 nghttp2/1.18.1 librtmp/2.3
Platform: Linux 4.9.0-8-amd64 x86_64, 64 bit, Little endian, wxGTK
Build Info:
    wxWidgets: 3.0.2 (wchar_t,wx containers,compatible with 2.8) GTK+ 2.24
    Boost: 1.69.0
    OpenCASCADE Community Edition: 6.8.0
    Curl: 7.52.1
    Compiler: GCC 6.3.0 with C++ ABI 1010

Build settings:
    USE_WX_GRAPHICS_CONTEXT=OFF
    USE_WX_OVERLAY=OFF
    KICAD_SCRIPTING=ON
    KICAD_SCRIPTING_MODULES=ON
    KICAD_SCRIPTING_PYTHON3=OFF
    KICAD_SCRIPTING_WXPYTHON=ON
    KICAD_SCRIPTING_WXPYTHON_PHOENIX=OFF
    KICAD_SCRIPTING_ACTION_MENU=ON
    BUILD_GITHUB_PLUGIN=ON
    KICAD_USE_OCE=ON
    KICAD_USE_OCC=OFF
    KICAD_SPICE=ON

[Jeff Young (jeyjey)]

@Jon, this is a result of the new connection stuff that you're working on, right?

(Just trying to make sure I didn't break something.)

[Dino Ghilardi (dino-ghilardi)]

In recent versions I do not see the issue anymore. May be it has been fixed.