Geometry.make_atlas() crashes Godot when sizes are large

[Zylann]

Godot version

3.4 beta2

System information

Windows 10 64 bits GLES3

Issue description

The following code crashes Godot:

	Geometry.make_atlas(PoolVector2Array([
		Vector2(244155, 436296),
		Vector2(70720, 32904)
	]))

Sizes are positive, and below INT_MAX, so it should have worked.
The fix previously done in #46401 covered negative sizes only so it likely also applies to master.

Steps to reproduce

Run the code shown in description.

Minimal reproduction project

MakeAtlasCrash.zip

[qarmin]

Backtrace

ERROR: FATAL: Index p_index = -1 is out of bounds (size() = 0).
   at: get (./core/cowdata.h:156)
handle_crash: Program crashed with signal 4
Dumping the backtrace. Please include this when reporting the bug on https://github.com/godotengine/godot/issues
[1] godots() [0x17b5100] (/mnt/Miecz/godot3.2/platform/x11/crash_handler_x11.cpp:54)
[2] /lib/x86_64-linux-gnu/libc.so.6(+0x41040) [0x7fa40d4c4040] (??:0)
[3] CowData<_AtlasWorkRectResult>::get(int) const (/mnt/Miecz/godot3.2/./core/cowdata.h:156 (discriminator 7))
[4] Vector<_AtlasWorkRectResult>::operator[](int) const (/mnt/Miecz/godot3.2/./core/vector.h:87)
[5] Geometry::make_atlas(Vector<Vector2i> const&, Vector<Vector2i>&, Vector2i&) (/mnt/Miecz/godot3.2/core/math/geometry.cpp:1047)
[6] _Geometry::make_atlas(Vector<Vector2> const&) (/mnt/Miecz/godot3.2/core/bind/core_bind.cpp:1765)
[7] MethodBind1R<Dictionary, Vector<Vector2> const&>::call(Object*, Variant const**, int, Variant::CallError&) (/mnt/Miecz/godot3.2/./core/method_bind.gen.inc:961 (discriminator 9))
[8] Object::call(StringName const&, Variant const**, int, Variant::CallError&) (/mnt/Miecz/godot3.2/core/object.cpp:918 (discriminator 1))
[9] Variant::call_ptr(StringName const&, Variant const**, int, Variant*, Variant::CallError&) (/mnt/Miecz/godot3.2/core/variant_call.cpp:1173 (discriminator 1))
[10] GDScriptFunction::call(GDScriptInstance*, Variant const**, int, Variant::CallError&, GDScriptFunction::CallState*) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript_function.cpp:1037)
[11] GDScriptInstance::_ml_call_reversed(GDScript*, StringName const&, Variant const**, int) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript.cpp:1181)
[12] GDScriptInstance::call_multilevel_reversed(StringName const&, Variant const**, int) (/mnt/Miecz/godot3.2/modules/gdscript/gdscript.cpp:1189)
[13] Node::_notification(int) (/mnt/Miecz/godot3.2/scene/main/node.cpp:149)
[14] Node::_notificationv(int, bool) (/mnt/Miecz/godot3.2/./scene/main/node.h:45 (discriminator 14))
[15] Object::notification(int, bool) (/mnt/Miecz/godot3.2/core/object.cpp:929)
[16] Node::_propagate_ready() (/mnt/Miecz/godot3.2/scene/main/node.cpp:188)
[17] Node::_propagate_ready() (/mnt/Miecz/godot3.2/scene/main/node.cpp:178 (discriminator 2))
[18] Node::_set_tree(SceneTree*) (/mnt/Miecz/godot3.2/scene/main/node.cpp:2560)
[19] SceneTree::init() (/mnt/Miecz/godot3.2/scene/main/scene_tree.cpp:465)
[20] OS_X11::run() (/mnt/Miecz/godot3.2/platform/x11/os_x11.cpp:3633)
[21] godots(main+0x326) [0x17abd8c] (/mnt/Miecz/godot3.2/platform/x11/godot_x11.cpp:57)
[22] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xd5) [0x7fa40d4ab565] (??:0)
[23] godots(_start+0x2e) [0x17ab9ae] (??:?)