Fix 5706 Block Positioning when nesting and blocks span columns

[NealGooch]

📑 Summary

Block diagrams positioning goes wrong when nesting blocks and blocks span columns

Resolves #6707

📏 Design Decisions

Fix

📋 Tasks

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 4.48%. Comparing base (df636c6) to head (ad9edf5).

Files with missing lines	Patch %	Lines
packages/mermaid/src/diagrams/block/layout.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #6119   +/-   ##
=======================================
  Coverage     4.48%   4.48%           
=======================================
  Files          383     382    -1     
  Lines        54038   54027   -11     
  Branches       596     621   +25     
=======================================
  Hits          2425    2425           
+ Misses       51613   51602   -11     

Flag	Coverage Δ
unit	4.48% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
packages/mermaid/src/diagrams/block/layout.ts	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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Build	Status	Details	Updated (UTC)
default (Inspect)	⚠️ Changes detected (Review)	2 changed, 339 added, 339 removed, 4 failures	Dec 8, 2024, 4:58 PM