if-then --> safe access: run write action manually to avoid AWT events inside

Author: mglukhikh

idea/src/org/jetbrains/kotlin/idea/intentions/branchedTransformations/intentions/IfThenToSafeAccessIntention.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.idea.core.replaced
 import org.jetbrains.kotlin.idea.inspections.IntentionBasedInspection
 import org.jetbrains.kotlin.idea.intentions.SelfTargetingOffsetIndependentIntention
 import org.jetbrains.kotlin.idea.intentions.branchedTransformations.*
+import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.*
 
@@ -50,6 +51,8 @@ class IfThenToSafeAccessIntention : SelfTargetingOffsetIndependentIntention<KtIf
         }
     }
 
+    override fun startInWriteAction() = false
+
     override fun applyTo(element: KtIfExpression, editor: Editor?) {
         val condition = element.condition as KtBinaryExpression
         val receiverExpression = condition.expressionComparedToNull()!!
@@ -64,7 +67,9 @@ class IfThenToSafeAccessIntention : SelfTargetingOffsetIndependentIntention<KtIf
                 }
 
         val newExpr = KtPsiFactory(element).createExpressionByPattern("$0?.$1", receiverExpression, selectorExpression) as KtSafeQualifiedExpression
-        val safeAccessExpr = element.replaced(newExpr)
+        val safeAccessExpr = runWriteAction {
+            element.replaced(newExpr)
+        }
 
         if (editor != null) {
             safeAccessExpr.inlineReceiverIfApplicableWithPrompt(editor)