Do not reset Loops total counters

[carmocca]

What does this PR do?

When progress is restored, we want to reset the current counters ready/started attributes to properly restart.
However, not for the total counters which should never get decremented and aren't used to restart.

Does your PR introduce any breaking changes ? If yes, please list them.

No

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[codecov]

Codecov Report

Merging #8475 (24bc200) into master (7d93d70) will decrease coverage by 0%.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master   #8475   +/-   ##
======================================
- Coverage      93%     92%   -0%     
======================================
  Files         217     217           
  Lines       14258   14256    -2     
======================================
- Hits        13230   13159   -71     
- Misses       1028    1097   +69     

[tchaton]

LGTM !