Remember Project Template Selector window size between sessions

Description

Steps to reproduce

KiCad Version

Application: KiCad (64-bit)

Version: (6.99.0-4283-g4caa65d100), release build

Libraries:
	wxWidgets 3.2.1
	FreeType 2.11.1
	HarfBuzz 4.2.0
	FontConfig 2.14.0

Platform: Windows 10 (build 19045), 64-bit edition, 64 bit, Little endian, wxMSW

	wxWidgets: 3.2.1 (wchar_t,wx containers)
	Boost: 1.79.0
	OCC: 7.6.0
	Curl: 7.83.1-DEV
	ngspice: 37
	Compiler: Visual C++ 1929 without C++ ABI

Build settings:
	KICAD_SPICE=ON