Task queue crashes when calling Api Proxy

[mhanberg]

This happens after opening a file and entering some text.

09:13:17.172 [error] Task #PID<0.208.0> started from XPExpert terminating
** (stop) {:exception, {:noproc, {:gen_statem, :call, [XPEngine.Api.Proxy, {:buffer, {:mfa, XPEngine.Dispatch, :broadcast, [{:file_changed, "file:///Users/m.hanberg/src/xxx/path/to/file.ex", 10, 10, true}], -576460752303423420}, :ok}, :infinity]}}}
    (kernel 10.2.7.1) erpc.erl:1366: :erpc.call/5
    (xp_expert 0.1.0) lib/expert/state.ex:122: XPExpert.State.apply/2
    (xp_expert 0.1.0) lib/expert.ex:200: XPExpert.apply_to_state/2
    (xp_expert 0.1.0) lib/expert.ex:139: XPExpert.handle_notification/2
    (xp_gen_lsp 0.11.1) lib/gen_lsp.ex:519: anonymous fn/2 in XPGenLSP.loop/3
    (xp_telemetry 1.3.0) /Users/m.hanberg/src/other/expert/apps/expert/deps/telemetry/src/telemetry.erl:324: :xp_telemetry.span/3
    (xp_gen_lsp 0.11.1) lib/gen_lsp.ex:515: anonymous fn/4 in XPGenLSP.loop/3
    (xp_gen_lsp 0.11.1) lib/gen_lsp.ex:592: anonymous fn/4 in XPGenLSP.attempt/4
Function: #Function<0.109218301/0 in XPGenLSP.attempt/4>
    Args: []
09:13:17.174 [error] Child :undefined of Supervisor :expert_task_queue terminated
** (exit) {:exception, {:noproc, {:gen_statem, :call, [XPEngine.Api.Proxy, {:buffer, {:mfa, XPEngine.Dispatch, :broadcast, [{:file_changed, "file:///Users/m.hanberg/src/xxx/path/to/file.ex", 10, 10, true}], -576460752303423420}, :ok}, :infinity]}}}
Pid: #PID<0.208.0>

After this error, completions still seems to work, but formatting times out and stale diagnostics are present.