C#: Generate ToSignal{SignalName} awaiter method

[Sultanov-vm]

Problem or limitation

Currently it takes more code to await signal in C# compared to GDScript

GDScript:
await button.pressed

C#:
await ToSignal(button, Button.SignalName.Pressed);

using autocompletion it takes 2 times more completions on C# and looks noisier

Proposed improvement

Generate ToSignal{SignalName}() Methods similar to godotengine/godot#68233 to reach a syntax like:

C#:
await button.ToSignalPressed();

Proposal review

• Yes, this proposal is highly specific and actionable.