Use memmove to prevent ASAN memcpy-param-overlap in release build

[r888800009]

When use ASAN to compile the release version, starting creator will cause ASAN to detect a memcpy-param-overlap. To ensure safety, memcpy should be replaced with memmove.

This may cause security issues please see
NVD - CVE-2018-7577
NVD - CVE-2020-21844
NVD - CVE-2018-13869

OS: macos
commit: ca5c4f021ed6b7c53540c05d6f4925737eeb7137

diff --git a/dub.sdl b/dub.sdl
index 35d8cbc..45805f6 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -84,7 +84,7 @@ configuration "osx-full" {
        targetType "executable"
        targetPath "out/Inochi Creator.app/Contents/MacOS"
        subConfiguration "i2d-imgui" "dynamic_dynamicCRT"
-       dflags "-force-dwarf-frame-section=false"
+      dflags "-force-dwarf-frame-section=false" "-fsanitize=address"
        lflags "-rpath" "@executable_path/../Frameworks" "-rpath" "@executable_path/."
        versions "InBranding"
 }```
build command
```bash
dub build --config=osx-full --build=release

ASAN

inochi-creator(62422,0x1eade8c00) malloc: nano zone abandoned due to inability to reserve vm space.
=================================================================
==62422==ERROR: AddressSanitizer: memcpy-param-overlap: memory ranges [0x614000082c78,0x614000082ce8) and [0x614000082c40, 0x614000082cb0) overlap
    #0 0x102ad74cc in __asan_memcpy+0x1d0 (libclang_rt.asan_osx_dynamic.dylib:arm64+0x4f4cc)
    #1 0x10032ff58 in _D7creator7widgets6shadow7prependFPS6bindbc5imgui4bindQl10ImDrawListQBiZv+0x250 (inochi-creator:arm64+0x10005bf58)
    #2 0x100305764 in _D7creator7windows16incUpdateWindowsFZv+0x1b4 (inochi-creator:arm64+0x100031764)
    #3 0x10053b170 in _D3app9incUpdateFZv+0x20c (inochi-creator:arm64+0x100267170)
    #4 0x100618e34 in _D2rt6dmain212_d_run_main2UAAamPUQgZiZ6runAllMFZv+0x70 (inochi-creator:arm64+0x100344e34)
    #5 0x100618b58 in _d_run_main+0x8c (inochi-creator:arm64+0x100344b58)
    #6 0x182c260dc  (<unknown module>)
    #7 0x6d6f7ffffffffffc  (<unknown module>)

0x614000082c78 is located 56 bytes inside of 448-byte region [0x614000082c40,0x614000082e00)
allocated by thread T0 here:
    #0 0x102ada510 in malloc+0x70 (libclang_rt.asan_osx_dynamic.dylib:arm64+0x52510)
    #1 0x1052551a8 in MallocWrapper(unsigned long, void*) imgui.cpp:1048
    #2 0x10520ee8c in ImGui::MemAlloc(unsigned long) imgui.cpp:3679
    #3 0x105255bf0 in ImVector<ImDrawCmd>::reserve(int) imgui.h:1886
    #4 0x1052559b8 in ImVector<ImDrawCmd>::push_back(ImDrawCmd const&) imgui.h:1889
    #5 0x1052896d8 in ImDrawList::_ResetForNewFrame() imgui_draw.cpp:429
    #6 0x1052242b0 in ImGui::Begin(char const*, bool*, int) imgui.cpp:6508
    #7 0x1051ee364 in igBegin cimgui.cpp:139
    #8 0x1002d8bb8 in _D7creator7windows6Window13onBeginUpdateMFZv+0x1dc (inochi-creator:arm64+0x100004bb8)
    #9 0x1002d87dc in _D7creator7windows7welcome13WelcomeWindow13onBeginUpdateMFZv+0x254 (inochi-creator:arm64+0x1000047dc)
    #10 0x10053b170 in _D3app9incUpdateFZv+0x20c (inochi-creator:arm64+0x100267170)
    #11 0x100618e34 in _D2rt6dmain212_d_run_main2UAAamPUQgZiZ6runAllMFZv+0x70 (inochi-creator:arm64+0x100344e34)
    #12 0x100618b58 in _d_run_main+0x8c (inochi-creator:arm64+0x100344b58)
    #13 0x182c260dc  (<unknown module>)
    #14 0x6d6f7ffffffffffc  (<unknown module>)

0x614000082c40 is located 0 bytes inside of 448-byte region [0x614000082c40,0x614000082e00)
allocated by thread T0 here:
    #0 0x102ada510 in malloc+0x70 (libclang_rt.asan_osx_dynamic.dylib:arm64+0x52510)
    #1 0x1052551a8 in MallocWrapper(unsigned long, void*) imgui.cpp:1048
    #2 0x10520ee8c in ImGui::MemAlloc(unsigned long) imgui.cpp:3679
    #3 0x105255bf0 in ImVector<ImDrawCmd>::reserve(int) imgui.h:1886
    #4 0x1052559b8 in ImVector<ImDrawCmd>::push_back(ImDrawCmd const&) imgui.h:1889
    #5 0x1052896d8 in ImDrawList::_ResetForNewFrame() imgui_draw.cpp:429
    #6 0x1052242b0 in ImGui::Begin(char const*, bool*, int) imgui.cpp:6508
    #7 0x1051ee364 in igBegin cimgui.cpp:139
    #8 0x1002d8bb8 in _D7creator7windows6Window13onBeginUpdateMFZv+0x1dc (inochi-creator:arm64+0x100004bb8)
    #9 0x1002d87dc in _D7creator7windows7welcome13WelcomeWindow13onBeginUpdateMFZv+0x254 (inochi-creator:arm64+0x1000047dc)
    #10 0x10053b170 in _D3app9incUpdateFZv+0x20c (inochi-creator:arm64+0x100267170)
    #11 0x100618e34 in _D2rt6dmain212_d_run_main2UAAamPUQgZiZ6runAllMFZv+0x70 (inochi-creator:arm64+0x100344e34)
    #12 0x100618b58 in _d_run_main+0x8c (inochi-creator:arm64+0x100344b58)
    #13 0x182c260dc  (<unknown module>)
    #14 0x6d6f7ffffffffffc  (<unknown module>)

SUMMARY: AddressSanitizer: memcpy-param-overlap (inochi-creator:arm64+0x10005bf58) in _D7creator7widgets6shadow7prependFPS6bindbc5imgui4bindQl10ImDrawListQBiZv+0x250
==62422==ABORTING

[LunaTheFoxgirl]

LGTM