[perf] stop blocking on SdkRunConfig.addConsoleFilters (#8095)

The hunt for slow ops continues...

Addresses:

```
java.lang.Throwable: Slow operations are prohibited on EDT. See SlowOperations.assertSlowOperationsAreAllowed javadoc.
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:376)
	at com.intellij.util.SlowOperations.assertSlowOperationsAreAllowed(SlowOperations.java:114)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.ensureIsUpToDate(WorkspaceFileIndexDataImpl.kt:153)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.getFileInfo(WorkspaceFileIndexDataImpl.kt:98)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.getFileInfo(WorkspaceFileIndexImpl.kt:267)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.findFileSet(WorkspaceFileIndexImpl.kt:220)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.isInContent(WorkspaceFileIndexImpl.kt:86)
	at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.isInContent(ProjectFileIndexImpl.java:211)
	at com.jetbrains.lang.dart.util.PubspecYamlUtil.findPubspecYamlFile(PubspecYamlUtil.java:58)
	at com.jetbrains.lang.dart.util.DartUrlResolverImpl.<init>(DartUrlResolverImpl.java:47)
	at com.jetbrains.lang.dart.util.DartUrlResolver.getInstance(DartUrlResolver.java:36)
	at com.jetbrains.lang.dart.ide.runner.DartConsoleFilter.<init>(DartConsoleFilter.java:44)
	at io.flutter.run.SdkRunConfig.addConsoleFilters(SdkRunConfig.java:228)
	at io.flutter.run.SdkRunConfig.getState(SdkRunConfig.java:194)
	at io.flutter.run.SdkRunConfig.getState(SdkRunConfig.java:56)
```

See: #8089

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- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
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Author: pq

flutter-idea/src/io/flutter/run/SdkRunConfig.java

@@ -15,6 +15,8 @@
 import com.intellij.execution.filters.UrlFilter;
 import com.intellij.execution.runners.ExecutionEnvironment;
 import com.intellij.execution.runners.RunConfigurationWithSuppressedDefaultRunAction;
+import com.intellij.openapi.application.ModalityState;
+import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleUtilCore;
@@ -32,11 +34,13 @@
 import com.intellij.refactoring.listeners.RefactoringElementListener;
 import com.intellij.refactoring.listeners.UndoRefactoringElementAdapter;
 import com.intellij.util.PathUtil;
+import com.intellij.util.concurrency.AppExecutorUtil;
 import com.intellij.util.xmlb.SkipDefaultValuesSerializationFilters;
 import com.intellij.util.xmlb.XmlSerializer;
 import com.jetbrains.lang.dart.ide.runner.DartConsoleFilter;
 import io.flutter.FlutterUtils;
 import io.flutter.console.FlutterConsoleFilter;
+import io.flutter.dart.FlutterDartAnalysisServer;
 import io.flutter.run.common.RunMode;
 import io.flutter.run.daemon.FlutterApp;
 import io.flutter.sdk.FlutterSdkManager;
@@ -222,18 +226,26 @@ protected void addConsoleFilters(@NotNull LaunchState launcher,
                                    @NotNull ExecutionEnvironment env,
                                    @NotNull MainFile mainFile,
                                    @Nullable Module module) {
-    // Set up additional console filters.
-    final TextConsoleBuilder builder = launcher.getConsoleBuilder();
-    // file:, package:, and dart: references
-    builder.addFilter(new DartConsoleFilter(env.getProject(), mainFile.getFile()));
-    //// links often found when running tests
-    //builder.addFilter(new DartRelativePathsConsoleFilter(env.getProject(), mainFile.getAppDir().getPath()));
-    if (module != null) {
-      // various flutter run links
-      builder.addFilter(new FlutterConsoleFilter(module));
-    }
-    // general urls
-    builder.addFilter(new UrlFilter());
+    // Creating console filters is expensive so we want to make sure we are not blocking.
+    // See: https://github.com/flutter/flutter-intellij/issues/8089
+    ReadAction.nonBlocking(() -> {
+        // Set up additional console filters.
+        final TextConsoleBuilder builder = launcher.getConsoleBuilder();
+        if (builder == null) return null;
+        // file:, package:, and dart: references
+        builder.addFilter(new DartConsoleFilter(env.getProject(), mainFile.getFile()));
+        //// links often found when running tests
+        //builder.addFilter(new DartRelativePathsConsoleFilter(env.getProject(), mainFile.getAppDir().getPath()));
+        if (module != null) {
+          // various flutter run links
+          builder.addFilter(new FlutterConsoleFilter(module));
+        }
+        // general urls
+        builder.addFilter(new UrlFilter());
+        return null;
+      })
+      .expireWith(FlutterDartAnalysisServer.getInstance(getProject()))
+      .submit(AppExecutorUtil.getAppExecutorService());
   }
 
   @NotNull