Add a new search matching pattern to the create node window

[VintageGameBoy]

Add a new search matching pattern to the create node window
Now you can search for node descriptions
It should be very helpful for non-native English speakers


Perhaps the code and UI still need to be modified, please let me know

[KoBeWi]

This needs a proposal.
While it seems nice for non-English speakers, it's only for languages that have doc translation included with editor, which is determined by certain completion threshold (I think right now 5 languages are qualified).

[VintageGameBoy]

This needs a proposal. While it seems nice for non-English speakers, it's only for languages that have doc translation included with editor, which is determined by certain completion threshold (I think right now 5 languages are qualified).

godotengine/godot-proposals#11334 (comment)