add dataclass support on apply_to_collection

[dalek-who]

What does this PR do?

issue：#7878
Add dataclass support on apply_to_collection, not only on move_batch_to_device

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[codecov]

Codecov Report

Merging #7935 (632ebdb) into master (839019a) will decrease coverage by 6%.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master   #7935    +/-   ##
=======================================
- Coverage      93%     87%    -6%     
=======================================
  Files         200     203     +3     
  Lines       12797   13129   +332     
=======================================
- Hits        11852   11398   -454     
- Misses        945    1731   +786     

[awaelchli]

nice addition
dataclasses reduce boilerplate code, so does Lightning. We should make best friends! <3

[tchaton]

LGTM ! Nice addition.