fix: disallow language servers in light edit mode

Signed-off-by: Fred Bricon <[email protected]>

src/main/java/com/redhat/devtools/intellij/lsp4ij/ConnectDocumentToLanguageServerSetupParticipant.java

@@ -10,6 +10,7 @@
  ******************************************************************************/
 package com.redhat.devtools.intellij.lsp4ij;
 
+import com.intellij.ide.lightEdit.LightEdit;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.fileEditor.FileEditorManager;
 import com.intellij.openapi.fileEditor.FileEditorManagerListener;
@@ -56,6 +57,9 @@ public void projectClosing(@NotNull Project project) {
     @Override
     public void fileOpened(@NotNull FileEditorManager source, @NotNull VirtualFile file) {
         Project project = source.getProject();
+        if (LightEdit.owns(project)) {
+            return; // Don't run in light edit mode
+        }
         boolean readAccessAllowed = ApplicationManager.getApplication().isReadAccessAllowed();
         boolean dumb = DumbService.isDumb(project);
         // As document matcher requires read action, we try to open the file in read action and when indexing is finishsed.