[clang-tools-extra] [clangd] Check for editsNearCursor client capability under experimental capabilities (PR #114699)

[Rafał Chłodnicki via cfe-commits]

rchl wrote:

Personally I haven't yet looked if other custom capabilities are relevant for the editor I use (Sublime Text) but I also think it would makes sense to be with all of them (and follow the spec).

https://github.com/llvm/llvm-project/pull/114699