Server crash when using snippets with inlay hints activated

[Iorvethe]

Reproduction steps (on Helix)

1. Open Helix
2. Run command :set lsp.display-inlay-hints true
3. Enter for (or while)
4. Wait for snippet completion item
5. Select it
6. Crash

Versions

• Helix: 23.10
• LanguageServer: v4.5.1

Backtrace

original_error=ERROR: BoundsError: attempt to access 4-element Vector{Int64} at index [6]
Stacktrace:
  [1] getindex
    @ ./essentials.jl:13 [inlined]
  [2] get_offset(doc::LanguageServer.TextDocument, line::Int64, character::Int64)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/textdocument.jl:227
  [3] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:75 [inlined]
  [4] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:76 [inlined]
  [5] textDocument_inlayHint_request(params::LanguageServer.InlayHintParams, server::LanguageServerInstance, conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/requests/features.jl:587
  [6] (::LanguageServer.var\"#116#117\"{typeof(LanguageServer.textDocument_inlayHint_request), LanguageServerInstance})(conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, params::LanguageServer.InlayHintParams)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:273
  [7] dispatch_msg(x::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, dispatcher::JSONRPC.MsgDispatcher, msg::Dict{String, Any})
    @ JSONRPC ~/.julia/packages/JSONRPC/Q0FBr/src/typed.jl:67
  [8] run(server::LanguageServerInstance; timings::Vector{Any})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:405
  [9] run
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:283 [inlined]
 [10] runserver(pipe_in::Base.PipeEndpoint, pipe_out::Base.PipeEndpoint, env_path::String, depot_path::String, err_handler::Nothing, symserver_store_path::Nothing)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:41
 [11] runserver()
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:39
 [12] top-level scope
    @ none:1
 [13] eval
    @ ./boot.jl:385 [inlined]
 [14] exec_options(opts::Base.JLOptions)
    @ Base ./client.jl:291
 [15] _start()
    @ Base ./client.jl:552

Stacktrace:
  [1] get_offset(doc::LanguageServer.TextDocument, line::Int64, character::Int64)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/textdocument.jl:245
  [2] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:75 [inlined]
  [3] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:76 [inlined]
  [4] textDocument_inlayHint_request(params::LanguageServer.InlayHintParams, server::LanguageServerInstance, conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/requests/features.jl:587
  [5] (::LanguageServer.var\"#116#117\"{typeof(LanguageServer.textDocument_inlayHint_request), LanguageServerInstance})(conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, params::LanguageServer.InlayHintParams)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:273
  [6] dispatch_msg(x::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, dispatcher::JSONRPC.MsgDispatcher, msg::Dict{String, Any})
    @ JSONRPC ~/.julia/packages/JSONRPC/Q0FBr/src/typed.jl:67
  [7] run(server::LanguageServerInstance; timings::Vector{Any})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:405
  [8] run
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:283 [inlined]
  [9] runserver(pipe_in::Base.PipeEndpoint, pipe_out::Base.PipeEndpoint, env_path::String, depot_path::String, err_handler::Nothing, symserver_store_path::Nothing)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:41
 [10] runserver()
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:39
 [11] top-level scope
    @ none:1

caused by: BoundsError: attempt to access 4-element Vector{Int64} at index [6]
Stacktrace:
  [1] getindex
    @ ./essentials.jl:13 [inlined]
  [2] get_offset(doc::LanguageServer.TextDocument, line::Int64, character::Int64)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/textdocument.jl:227
  [3] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:75 [inlined]
  [4] get_offset
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/document.jl:76 [inlined]
  [5] textDocument_inlayHint_request(params::LanguageServer.InlayHintParams, server::LanguageServerInstance, conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/requests/features.jl:587
  [6] (::LanguageServer.var\"#116#117\"{typeof(LanguageServer.textDocument_inlayHint_request), LanguageServerInstance})(conn::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, params::LanguageServer.InlayHintParams)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:273
  [7] dispatch_msg(x::JSONRPC.JSONRPCEndpoint{Base.PipeEndpoint, Base.PipeEndpoint}, dispatcher::JSONRPC.MsgDispatcher, msg::Dict{String, Any})
    @ JSONRPC ~/.julia/packages/JSONRPC/Q0FBr/src/typed.jl:67
  [8] run(server::LanguageServerInstance; timings::Vector{Any})
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:405
  [9] run
    @ ~/.julia/packages/LanguageServer/Fwm1f/src/languageserverinstance.jl:283 [inlined]
 [10] runserver(pipe_in::Base.PipeEndpoint, pipe_out::Base.PipeEndpoint, env_path::String, depot_path::String, err_handler::Nothing, symserver_store_path::Nothing)
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:41
 [11] runserver()
    @ LanguageServer ~/.julia/packages/LanguageServer/Fwm1f/src/runserver.jl:39
 [12] top-level scope
    @ none:1