perf(codegen): wrap generated context in a fn

[Legend-Master]

Wrap the generated context code in a function to make rust analyzer faster, this is probably a hack but it works 😂

Before:

before.mp4

After:

after.mp4

[github-actions]

Package Changes Through a1bf4f5

There are 1 changes which include tauri-codegen with patch

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
tauri-codegen	2.5.0	2.5.1
tauri-macros	2.5.0	2.5.1
tauri-build	2.5.1	2.5.2
tauri	2.9.2	2.9.3

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[FabianLars]

How did you come up with the idea to wrap it in a function?

[Legend-Master]

How did you come up with the idea to wrap it in a function?

It was quite a journey 😂 So basically I was wondering why the completion's so slow in that function a long time ago, and I found out if I remove this macro, the problem goes away, then I tried to poke around all sorts of different methods but nothing worked so I left it until now

The only things I noticed that worked before were

1. Remove all the capability staffs
2. Move the entire generate_context macro to a function (by the way, a closure doesn't work here)

I was trying to put up a documentation on how to improve this by letting rust analyzer ignore this macro with rust-analyzer.procMacro.ignored but thought I'd give it a final shot here we are 🙃