Revert "Allowing save even if not dirty"

This reverts commit a24373e9.

src/App.tsx

@@ -52,10 +52,10 @@ const App: FC<AppProps> = (props) => {
     (e: KeyboardEvent<HTMLDivElement>) => {
       if ((e.ctrlKey || e.metaKey) && e.key === "s") {
         e.preventDefault();
-        if (hasSaveButton && isDirty) save(); // Checks if can save inside of save()
+        if (hasSaveButton) save(); // Checks if can save inside of save()
       }
     },
-    [hasSaveButton, isDirty, save],
+    [isDirty, save],
   );
 
   const pedagoOpenLabel = hasPedago

src/features/activityData/hooks.ts

 import { useCallback } from "react";
 import { useAppDispatch, useAppSelector } from "../../app/hooks";
-import { selectHasEvaluations, selectMode, selectPreventEditIfHasEvaluations, setIsPlayerDirty, setSaveState } from "./activityDataSlice";
+import { selectHasEvaluations, selectIsDirty, selectMode, selectPreventEditIfHasEvaluations, setIsPlayerDirty, setSaveState } from "./activityDataSlice";
 
 export const useNotifyIsDirty = () => {
   const dispatch = useAppDispatch();
@@ -8,6 +8,7 @@ export const useNotifyIsDirty = () => {
 };
 
 export const useCanSave = () => {
+  const isDirty = useAppSelector(selectIsDirty);
   const preventEditIfHasEvaluations = useAppSelector(
     selectPreventEditIfHasEvaluations,
   );
@@ -19,6 +20,10 @@ export const useCanSave = () => {
     return false;
   }
 
+  if (!isDirty) {
+    return false;
+  }
+
   return true;
 }