Project cannot be imported after clean workspace

[yuyully]

Extension Name: vscode-gradle
Extension Version: v3.17.0
OS Version: Windows
VSCode version: 1.95.2

Describe the bug
The project is imported successfully at first time, but it's failed after clean workspace and restart.

This issue doesn't repro with v3.16.4. With v3.16.4, it can be imported after clean workspace.

To Reproduce

1. Delete AppData/Roaming/Code folder
2. Open project https://github.com/AppliedEnergistics/Applied-Energistics-2.git > Import successfully (shows java:ready) but there is no log in 'build server for gradle(log)'
3. Clean workspace and restart > Always import failed

Expected behavior
A clear and concise description of what you expected to happen.

Logs/Screenshots
log.txt
java.util.concurrent.CompletionException: org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Cannot invoke "org.gradle.api.internal.project.ProjectState.applyToMutableState(java.util.function.Consumer)" because "this.rootProjectState" is null
at java.base/java.util.concurrent.CompletableFuture.reportJoin(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture.join(Unknown Source)
at com.microsoft.gradle.bs.importer.Utils.getBuildTargetsMappedByProjectPath(Utils.java:55)
at com.microsoft.gradle.bs.importer.GradleBuildServerProjectImporter.importProjects(GradleBuildServerProjectImporter.java:322)
at com.microsoft.gradle.bs.importer.GradleBuildServerProjectImporter.importToWorkspace(GradleBuildServerProjectImporter.java:226)
at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.importProjects(ProjectsManager.java:164)
at org.eclipse.jdt.ls.core.internal.managers.ProjectsManager.initializeProjects(ProjectsManager.java:126)
at org.eclipse.jdt.ls.core.internal.handlers.InitHandler$1.runInWorkspace(InitHandler.java:277)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:43)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Cannot invoke "org.gradle.api.internal.project.ProjectState.applyToMutableState(java.util.function.Consumer)" because "this.rootProjectState" is null
at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.handleResponse(RemoteEndpoint.java:220)
at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.consume(RemoteEndpoint.java:204)
at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:185)
at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:97)
at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:114)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)

Output from "Gradle for Java"
You can find this by clicking on the "Output" panel, then selecting the "Gradle for Java" channel from the dropdown.

Does the bug still exist if you disable all other extensions?
Yes/No

Additional context
Add any other context about the problem here.