Removed underlining of not clickable symbols

Improve the `Input.set_use_accumulated_input()` documentation

typedefs: Cleanup unused macros and unnecessary checks

Return correct mesh format for PrimitiveMesh

Fix rotation gizmo for empty Spatials

Fix various typos

We now require a compiler with C++17 support, so we don't need to
check for features added to GCC 5 or Clang 3.2.

Clang builtin availability checks were unused anyway as Clang defines
`__GNUC__` as it's also a GNU C implementation.

Fixes #36986.

Found via `codespell`

[HTML5] Refactor JS, threads support, closures.

- Refactored the Engine code, splitted across files.
- Use MODULARIZE option to build emscripten code into it's own closure.
- Enable lto support (saves ~2MiB in release).
- Enable optional closure compiler pass for JS and generated code.
- Enable optional pthreads support.
- Can now build with tools=yes (not much to see yet).
- Dropped some deprecated code for older toolchains.

Avoid build error due to duplicate `main` symbol definition.

Mesh::convex_decompose: Remove unneeded vector copy

Loop over faces in create_trimesh_shape()

New contributor added to AUTHORS:
@muiroc

Thanks to all contributors and donors for making Godot possible!

Sorry for the late March update and missed February update, I made sure
to include patrons for both February and March in this commit.

This makes closure compiler happy, avoiding globals and potentially
undefined variables.

Linux: Add Mesa 20 "Intel" to prime detection

Diff in `glxinfo` between Mesa 19.3.4 and 20.0.1:
```diff
-OpenGL vendor string: Intel Open Source Technology Center
-OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 630 (Kaby Lake GT2)
-OpenGL core profile version string: 4.6 (Core Profile) Mesa 19.3.4
+OpenGL vendor string: Intel
+OpenGL renderer string: Mesa Intel(R) HD Graphics 630 (KBL GT2)
+OpenGL core profile version string: 4.6 (Core Profile) Mesa 20.0.1
```

Allow single quotes [',"] in comments in TextEdit

Resurrect HTML5 platform, add it to CI (no rendering yet)

Fixes: #36638

The AABB for an empty Spatial has 0 size, since the stored and
compared Transform was scaled by the AABB size, it would completely
destroy the rotation information. If there is no rotation
information, the gizmo doesn't update when the rotation changes.

GDScript duplicate arguments bug fixed

fix: Classes can't have pass 

The return value was changed during the Vulkan port, but it didn't include ARRAY_FORMAT_INDEX. This meant they were wrongly considered non-indexed meshes and the click-selection logic for all primitive meshes broke.

Fix: logic error in gdscript_parser.cpp for-loop-range

Fix -Wshadow=local warning in EngineDebugger

Made snap relative work on rotation as well

This reverts commit c924e83a.

SCons `FRAMEWORKS` is, according to their latest docs, only supported
"On Mac OS X with gcc". While the "with gcc" part seems bogus, #36795
did introduce a link failure for our osxcross toolchain for compiling
macOS binaries from Linux. SCons probably fails to detect this as a
macOS target and does not use its `FRAMEWORKS` logic properly.

So using `LINKFLAGS` as we used to is the more portable solution.

mbedtls: Re-add patch to disable VIA padlock

The comment mentioned a conflict with libwebsockets, but we actually
still get this conflict even now that we don't use libwebsockets.
Not sure what component is clashing but we should basically just keep
this patch.

Follow-up to #36823.

Revert "Enhanced physical device selection to use device type and available memory in relation to issue #35397"

This reverts commit 4f3006e5.

Initializes VulkanContext::queue_props to NULL

Fix "deploy with remote debug" editor option.