fix(viewport): Reset viewport state and fix CINE looping, thumbnail resolution, and dynamic tool settings (#4037)

platform/cli/templates/mode/src/index.tsx

@@ -1,5 +1,5 @@
 import { hotkeys } from '@ohif/core';
-import { initToolGroups, moreTools, toolbarButtons } from '@ohif/mode-longitudinal';
+import { initToolGroups, toolbarButtons } from '@ohif/mode-longitudinal';
 import { id } from './id';
 
 const ohif = {
@@ -64,7 +64,6 @@ function modeFactory({ modeConfiguration }) {
       const {
         toolGroupService,
         syncGroupService,
-        toolbarService,
         segmentationService,
         cornerstoneViewportService,
         uiDialogService,
@@ -87,7 +86,9 @@ function modeFactory({ modeConfiguration }) {
      * A boolean return value that indicates whether the mode is valid for the
      * modalities of the selected studies. For instance a PET/CT mode should be
      */
-    isValidMode: ({ modalities }) => true,
+    isValidMode: ({ modalities }) => {
+      return { valid: true };
+    },
     /**
      * Mode Routes are used to define the mode's behavior. A list of Mode Route
      * that includes the mode's path and the layout to be used. The layout will