[MM-55735] Add Request Context to PostStore.Save (#26048)

server/channels/app/channel_test.go

@@ -2646,7 +2646,7 @@ func TestConvertGroupMessageToChannel(t *testing.T) {
 
 	mockPostStore := mocks.PostStore{}
 	mockStore.On("Post").Return(&mockPostStore)
-	mockPostStore.On("Save", mock.AnythingOfType("*model.Post")).Return(&model.Post{}, nil)
+	mockPostStore.On("Save", mock.AnythingOfType("*request.Context"), mock.AnythingOfType("*model.Post")).Return(&model.Post{}, nil)
 	mockPostStore.On("InvalidateLastPostTimeCache", "channelidchannelidchanneli")
 
 	mockSystemStore := mocks.SystemStore{}

server/channels/app/post.go

@@ -305,7 +305,7 @@ func (a *App) CreatePost(c request.CTX, post *model.Post, channel *model.Channel
 		post.AddProp(model.PostPropsPreviewedPost, previewPost.PostID)
 	}
 
-	rpost, nErr := a.Srv().Store().Post().Save(post)
+	rpost, nErr := a.Srv().Store().Post().Save(c, post)
 	if nErr != nil {
 		var appErr *model.AppError
 		var invErr *store.ErrInvalidInput