Fix “Old Patchset” being displayed on current edits

Release-Notes: Fix “Old Patchset” being displayed on current edits
Change-Id: I882fd5049d59d18a2db0c2f956eb225bd7ae44a7
(cherry picked from commit 944f02a389e5e8e5d7e979772a827d70bf2bbce9)
diff --git a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view.ts b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view.ts
index a15a575..18ce3d1 100644
--- a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view.ts
+++ b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view.ts
@@ -13,7 +13,7 @@
 import {
   EditPreferencesInfo,
   Base64FileContent,
-  PatchSetNumber,
+  RevisionPatchSetNum,
 } from '../../../types/common';
 import {ParsedChangeInfo} from '../../../types/types';
 import {HttpMethod, NotifyType} from '../../../constants/constants';
@@ -81,7 +81,7 @@
   @state() private editPrefs?: EditPreferencesInfo;
 
   // private but used in test
-  @state() latestPatchsetNumber?: PatchSetNumber;
+  @state() latestPatchsetNumber?: RevisionPatchSetNum;
 
   private readonly restApiService = getAppContext().restApiService;
 
@@ -122,7 +122,7 @@
     );
     subscribe(
       this,
-      () => this.getChangeModel().latestPatchNum$,
+      () => this.getChangeModel().latestPatchNumWithEdit$,
       x => (this.latestPatchsetNumber = x)
     );
     this.shortcuts.addLocal({key: 's', modifiers: [Modifier.CTRL_KEY]}, () =>
diff --git a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.ts b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.ts
index 52581ed..390cfad 100644
--- a/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.ts
+++ b/polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.ts
@@ -18,7 +18,6 @@
 import {
   EDIT,
   NumericChangeId,
-  PatchSetNumber,
   RevisionPatchSetNum,
 } from '../../../types/common';
 import {
@@ -49,9 +48,9 @@
     navigateStub = sinon.stub(element, 'viewEditInChangeView');
     element.viewState = {
       ...createEditViewState(),
-      patchNum: 1 as PatchSetNumber,
+      patchNum: 1 as RevisionPatchSetNum,
     };
-    element.latestPatchsetNumber = 1 as PatchSetNumber;
+    element.latestPatchsetNumber = 1 as RevisionPatchSetNum;
     await element.updateComplete;
   });