Move: Add missing write action

#KT-11482 Fixed

ChangeLog.md

@@ -37,6 +37,7 @@ Issues fixed:
 - [KT-11816](https://youtrack.jetbrains.com/issue/KT-11816) Fixed usages search for Safe Delete on simple enum entries
 - [KT-11282](https://youtrack.jetbrains.com/issue/KT-11282) Delete interface reference from super-type list when applying Safe Delete to Java interface
 - [KT-11967](https://youtrack.jetbrains.com/issue/KT-11967) Fix Find Usages/Rename for parameter references in XML files
+- [KT-11482](https://youtrack.jetbrains.com/issue/KT-11482) Fixed exception in "Move to companion object" intention
 
 #### Debugger
 

idea/src/org/jetbrains/kotlin/idea/intentions/MoveMemberToCompanionObjectIntention.kt

@@ -54,6 +54,7 @@ import org.jetbrains.kotlin.idea.search.declarationsSearch.HierarchySearchReques
 import org.jetbrains.kotlin.idea.search.declarationsSearch.searchOverriders
 import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
 import org.jetbrains.kotlin.idea.core.ShortenReferences
+import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.name.Name
@@ -299,7 +300,7 @@ class MoveMemberToCompanionObjectIntention : SelfTargetingRangeIntention<KtNamed
         }
 
         project.checkConflictsInteractively(conflicts) {
-            doMove(element, externalUsages, outerInstanceUsages, editor)
+            runWriteAction { doMove(element, externalUsages, outerInstanceUsages, editor) }
         }
     }
 }