Create ImageCompressor amd ImageCompressorImpl

* Methods from AttachmentCreationTask have been moved into them:
  * compressImage()
  * createBitmap()
* ImageCompressor is availabe via AttachmentModule
1 job for 1846-refactor-image-compression-for-reuse3 in 9 minutes and 50 seconds (queued for 3 minutes and 24 seconds)
Status Job ID Name Coverage
  Test
passed #6693
test

00:09:50