Fix recursive runForEachCaret and a missing read action

src/main/java/com/maddyhome/idea/vim/newapi/IjVimEditor.kt

@@ -542,7 +542,9 @@ internal class InsertTimeRecorder : ModeChangeListener {
     if (oldMode == Mode.INSERT) {
       val undo = injector.undo as? VimTimestampBasedUndoService ?: return
       val nanoTime = System.nanoTime()
-      editor.forEachCaret { undo.endInsertSequence(it, it.offset, nanoTime) }
+      injector.application.runReadAction {
+        editor.nativeCarets().forEach { undo.endInsertSequence(it, it.offset, nanoTime) }
+      }
     }
   }
 }

src/test/java/org/jetbrains/plugins/ideavim/action/ChangeActionTest.kt

@@ -1081,4 +1081,12 @@ foobaz
     typeText("<BS><BS><BS>")
     assertState("1ello world")
   }
+
+  @Test
+  fun `backspace with replace modes`() {
+    configureByText("")
+    typeText("c<C-Home><Esc>.")
+    assertState("")
+    assertPluginError(false)
+  }
 }