[Fix] autoconcat size computation in Scheduler

Context

Concat memory plane could have an excessive size in Scheduler inference corresponding to its offset, resulting in a small amount of wasted memory in the MemoryManager.

added EnhancementPerformance ⚡️ label

requested review from @mick94

assigned to @olivierbichler

added 3 commits

• ac6045a6...25b1ae50 - 2 commits from branch dev
• ea520fcc - Fix excess size

Compare with previous version

@olivierbichler could you be clearer in your description of the issue?

Also, if this MR is a simple fix, should it be merged with main branch instead?

This fix is related to !290 (merged), which is not yet on main.

changed the description

added 3 commits

• ea520fcc...da2cf573 - 2 commits from branch dev
• 03bcdf14 - Fix excess size

Compare with previous version

enabled an automatic merge when all merge checks for 03bcdf14 pass

merged

mentioned in commit 0711ad08

changed title from Fix excess size in autoconcat to [Fix] autoconcat size computation in Scheduler

changed the description