[github] Handle project disposal in PR tabs manager

GitOrigin-RevId: 56fae849bfd052ec33eb477b1ba4c05e6f4fd30e

plugins/github/src/org/jetbrains/plugins/github/pullrequest/GHPRToolWindowTabsManager.kt

@@ -3,7 +3,7 @@ package org.jetbrains.plugins.github.pullrequest
 
 import com.intellij.dvcs.repo.VcsRepositoryMappingListener
 import com.intellij.openapi.Disposable
-import com.intellij.openapi.application.runInEdt
+import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.components.Service
 import com.intellij.openapi.components.service
 import com.intellij.openapi.project.Project
@@ -61,9 +61,15 @@ internal class GHPRToolWindowTabsManager(private val project: Project) {
     override fun repositoryChanged(repository: GitRepository) = updateRemotes()
 
     private fun updateRemotes() {
-      runInEdt {
+      val application = ApplicationManager.getApplication()
+      if (application.isDispatchThread) {
         project.service<GHPRToolWindowTabsManager>().updateRemoteUrls()
       }
+      else {
+        application.invokeLater(::updateRemotes) {
+          project.isDisposed
+        }
+      }
     }
   }
 }