MM-53747: Create job to encode older image paths (#24073)

Bifrost now encodes all image paths. Due to this
one-way translation, we need to encode all the older
image paths as well.

After this is done, we can remove the double-lookup.

https://mattermost.atlassian.net/browse/MM-53747

```release-note
NONE
```

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/store/storetest/file_info_store.go

@@ -748,21 +748,29 @@ func testFileInfoStoreGetFilesBatchForIndexing(t *testing.T, ss store.Store) {
 		ss.FileInfo().PermanentDelete(f3.Id)
 	}()
 
+	// Soft-deleting one file info
+	_, err = ss.FileInfo().DeleteForPost(f1.PostId)
+	require.NoError(t, err)
+
 	// Getting all
-	r, err := ss.FileInfo().GetFilesBatchForIndexing(f1.CreateAt-1, "", 100)
+	r, err := ss.FileInfo().GetFilesBatchForIndexing(f1.CreateAt-1, "", true, 100)
 	require.NoError(t, err)
 	require.Len(t, r, 3, "Expected 3 posts in results. Got %v", len(r))
 
-	// Testing pagination
-	r, err = ss.FileInfo().GetFilesBatchForIndexing(f1.CreateAt-1, "", 2)
+	r, err = ss.FileInfo().GetFilesBatchForIndexing(f1.CreateAt-1, "", false, 100)
 	require.NoError(t, err)
 	require.Len(t, r, 2, "Expected 2 posts in results. Got %v", len(r))
 
-	r, err = ss.FileInfo().GetFilesBatchForIndexing(r[1].CreateAt, r[1].Id, 2)
+	// Testing pagination
+	r, err = ss.FileInfo().GetFilesBatchForIndexing(f1.CreateAt-1, "", true, 2)
+	require.NoError(t, err)
+	require.Len(t, r, 2, "Expected 2 posts in results. Got %v", len(r))
+
+	r, err = ss.FileInfo().GetFilesBatchForIndexing(r[1].CreateAt, r[1].Id, true, 2)
 	require.NoError(t, err)
 	require.Len(t, r, 1, "Expected 1 post in results. Got %v", len(r))
 
-	r, err = ss.FileInfo().GetFilesBatchForIndexing(r[0].CreateAt, r[0].Id, 2)
+	r, err = ss.FileInfo().GetFilesBatchForIndexing(r[0].CreateAt, r[0].Id, true, 2)
 	require.NoError(t, err)
 	require.Len(t, r, 0, "Expected 0 posts in results. Got %v", len(r))
 }

server/channels/store/storetest/mocks/FileInfoStore.go

@@ -159,25 +159,25 @@ func (_m *FileInfoStore) GetByPath(path string) (*model.FileInfo, error) {
 	return r0, r1
 }
 
-// GetFilesBatchForIndexing provides a mock function with given fields: startTime, startFileID, limit
-func (_m *FileInfoStore) GetFilesBatchForIndexing(startTime int64, startFileID string, limit int) ([]*model.FileForIndexing, error) {
-	ret := _m.Called(startTime, startFileID, limit)
+// GetFilesBatchForIndexing provides a mock function with given fields: startTime, startFileID, includeDeleted, limit
+func (_m *FileInfoStore) GetFilesBatchForIndexing(startTime int64, startFileID string, includeDeleted bool, limit int) ([]*model.FileForIndexing, error) {
+	ret := _m.Called(startTime, startFileID, includeDeleted, limit)
 
 	var r0 []*model.FileForIndexing
 	var r1 error
-	if rf, ok := ret.Get(0).(func(int64, string, int) ([]*model.FileForIndexing, error)); ok {
-		return rf(startTime, startFileID, limit)
+	if rf, ok := ret.Get(0).(func(int64, string, bool, int) ([]*model.FileForIndexing, error)); ok {
+		return rf(startTime, startFileID, includeDeleted, limit)
 	}
-	if rf, ok := ret.Get(0).(func(int64, string, int) []*model.FileForIndexing); ok {
-		r0 = rf(startTime, startFileID, limit)
+	if rf, ok := ret.Get(0).(func(int64, string, bool, int) []*model.FileForIndexing); ok {
+		r0 = rf(startTime, startFileID, includeDeleted, limit)
 	} else {
 		if ret.Get(0) != nil {
 			r0 = ret.Get(0).([]*model.FileForIndexing)
 		}
 	}
 
-	if rf, ok := ret.Get(1).(func(int64, string, int) error); ok {
-		r1 = rf(startTime, startFileID, limit)
+	if rf, ok := ret.Get(1).(func(int64, string, bool, int) error); ok {
+		r1 = rf(startTime, startFileID, includeDeleted, limit)
 	} else {
 		r1 = ret.Error(1)
 	}