fix(build): using mesons built in patch system

the previous custom patch system failed based on order sometimes. We now use mesons build in patch system which guarenees patch order application

build-config/mfem/meson.build

@@ -1,13 +1,5 @@
 patchFile = files('disable_mfem_selfcheck.patch')
 
-patch_check = run_command('grep', '-q', 'MFEM_CHECK_TARGET_NAME', 'subprojects/mfem/CMakeLists.txt', check: false)
-if patch_check.returncode() == 0
-    message('Patching MFEM CMakeLists.txt to remove self checks')
-    run_command('patch', '-p4', '-d', '../../subprojects/mfem', '-i', patchFile[0].full_path(), check: true)
-else
-    message('MFEM CMakeLists.txt already patched')
-endif
-
 mfem_cmake_options = cmake.subproject_options()
 mfem_cmake_options.add_cmake_defines({
     'MFEM_ENABLE_EXAMPLES': 'OFF',
@@ -20,4 +12,4 @@ mfem_sp = cmake.subproject(
     'mfem',
     options: mfem_cmake_options)
 mfem_dep = mfem_sp.dependency('mfem')
-add_project_arguments('-I' + meson.current_build_dir() + '/subprojects/mfem/__CMake_build/config', language: 'cpp')
+add_project_arguments('-I' + meson.current_build_dir() + '/subprojects/mfem/__CMake_build/config', language: 'cpp')

subprojects/mfem.wrap

@@ -1,5 +1,6 @@
 [wrap-git]
 url = https://github.com/mfem/mfem.git
 revision = master
+diff_files = mfem/disable_mfem_selfcheck.patch
 
-[cmake]
+[cmake]

subprojects/packagefiles/mfem/disable_mfem_selfcheck.patch

@@ -1,4 +1,4 @@
---- subprojects/mfem/CMakeLists.txt	2025-02-12 15:54:52.454728232 -0500
+--- mfem/CMakeLists.txt	2025-02-12 15:54:52.454728232 -0500
 +++ CMakeLists.txt.bak	2025-02-12 16:08:06.654542689 -0500
 @@ -765,7 +765,7 @@
  if (MFEM_ENABLE_EXAMPLES)