[Arch] VSTs Fail to Load

### Bug Summary

VSTs completely fail to load.

#### Steps to reproduce

1. Open LMMS.
2. Attempt to load a VST.
3. Watch it fail.

#### Expected behavior

My VSTs load.

#### Actual behavior

My VSTs don't load.

#### Screenshot


#### Affected LMMS versions

master 1.3.0-alpha.1.219+g482160646

#### Logs

Click to expand

Notice: could not set realtime priority.

Lv2 plugin SUMMARY: 10 of 30  loaded in 16 msecs.

For details about not loaded plugins, please set

  environment variable "LMMS_LV2_DEBUG" to nonempty.

0048:fixme:advapi:GetCurrentHwProfileA (000000000011F860) semi-stub

0048:fixme:heap:RtlSetHeapInformation handle 0000000000000000, info_class 1, info 0000000000000000, size 0 stub!

0060:fixme:ver:GetCurrentPackageFamilyName (000000000249F100 000000000249F750): stub

0064:fixme:ver:GetCurrentPackageId (000000000269FE10 0000000000000000): stub

0068:err:service:device_notify_proc failed to open RPC handle, error 1722

MESA-INTEL: warning: Performance support disabled, consider sysctl dev.i915.perf_stream_paranoid=0

0058:fixme:service:svcctl_EnumServicesStatusExW resume handle not supported

0058:fixme:service:svcctl_EnumServicesStatusExW resume handle not supported

0058:fixme:service:svcctl_EnumServicesStatusExW resume handle not supported

0058:fixme:service:svcctl_EnumServicesStatusExW resume handle not supported

0074:fixme:heap:RtlSetHeapInformation handle 0000000000000000, info_class 1, info 0000000000000000, size 0 stub!

0084:fixme:advapi:RegisterEventSourceW ((null),L"Bonjour Service"): stub

0084:fixme:advapi:ReportEventA (00000000CAFE4242,0x0004,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,000000000183F900,0000000000000000): stub

0084:fixme:advapi:ReportEventW (00000000CAFE4242,0x0004,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,0000000000240EB0,0000000000000000): stub

0084:fixme:winsock:WSAIoctl SIO_UDP_CONNRESET stub

0084:fixme:winsock:WSAIoctl SIO_UDP_CONNRESET stub

0084:fixme:advapi:ReportEventA (00000000CAFE4242,0x0001,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,000000000183F600,0000000000000000): stub

0084:fixme:advapi:ReportEventW (00000000CAFE4242,0x0001,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,0000000000241010,0000000000000000): stub

0084:err:eventlog:ReportEventW L"ERROR: bind(listenfd, (struct sockaddr *) &laddr, sizeof(laddr)); failed: 317 ()"

0084:fixme:advapi:ReportEventA (00000000CAFE4242,0x0001,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,000000000183F600,0000000000000000): stub

0084:fixme:advapi:ReportEventW (00000000CAFE4242,0x0001,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,0000000000241010,0000000000000000): stub

0084:err:eventlog:ReportEventW L"ERROR: udsserver_init: 317 (Message 0x not found in file )"

0084:fixme:advapi:ReportEventA (00000000CAFE4242,0x0004,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,000000000183F900,0000000000000000): stub

0084:fixme:advapi:ReportEventW (00000000CAFE4242,0x0004,0x0000,0x00000064,0000000000000000,0x0001,0x00000000,0000000000241010,0000000000000000): stub

00d0:fixme:hid:handle_IRP_MN_QUERY_ID Unhandled type 00000005

00d0:fixme:hid:handle_IRP_MN_QUERY_ID Unhandled type 00000005

00d0:fixme:hid:handle_IRP_MN_QUERY_ID Unhandled type 00000005

00d0:fixme:hid:handle_IRP_MN_QUERY_ID Unhandled type 00000005

002c:fixme:ver:GetCurrentPackageId (000000000021FD70 0000000000000000): stub

Starting using X11Embed protocol.

0034:fixme:ver:GetCurrentPackageId (000000000021FD70 0000000000000000): stub

unique ID: Vita

RemotePlugin::DebugMessage: inputs: 0  output: 2

RemotePlugin::DebugMessage: creating editor

Error while reading.

QProcess: Destroyed while process ("/home/ging/Builds/lmms/build/plugins/RemoteVstPlugin64") is still running.

0140:fixme:ver:GetCurrentPackageId (000000000021FD70 0000000000000000): stub

Process error:  QProcess::Crashed

Remote plugin crashed

003c:fixme:ver:GetCurrentPackageId (000000000021FD70 0000000000000000): stub

Reproduce the failure on Arch and trace the VST loading path from the RemoteVstPlugin64 process mentioned in the logs. Investigate the reported QProcess crash and remote-plugin error; done means the affected VST loads successfully without the remote plugin crashing.

Written by the indexing model from the issue text.