Textbox in component is duplicated on plotted schematic PDF.
# Steps to reproduce
1. Create component with Textbox.
2. Place this component on Schematic sheet. Plot it with PDF output format.
3. In the up-left corner of the pdf there is a copy of Textbox border.
<!--Copy version information (from main menu Help->About KiCad ->Copy Version Info) and paste it between the triple backticks below to preserve the formatting.-->
```
Application: KiCad x64 on x64
Version: 9.0.1, release build
Libraries:
wxWidgets 3.2.6
FreeType 2.13.3
HarfBuzz 10.2.0
FontConfig 2.15.0
libcurl/8.11.1-DEV Schannel zlib/1.3.1
Platform: Windows 10 (build 19045), 64-bit edition, 64 bit, Little endian, wxMSW
OpenGL: NVIDIA Corporation, NVIDIA GeForce GTX 750/PCIe/SSE2, 4.6.0 NVIDIA 560.94
Build Info:
Date: Mar 30 2025 01:11:30
wxWidgets: 3.2.6 (wchar_t,wx containers)
Boost: 1.86.0
OCC: 7.8.1
Curl: 8.11.1-DEV
ngspice: 44
Compiler: Visual C++ 1942 without C++ ABI
KICAD_IPC_API=ON
Locale:
Lang: en_GB
Enc: UTF-8
Num: 1,234.5
Encoded кΩ丈: D0BACEA9E4B888 (sys), D0BACEA9E4B888 (utf8)
```
issue