Add correction table

[KedoKudo]

Description

This PR introduces the following changes:

• add correction table for MDE workspaces
• add corresponding unit test

Testing instruction

• clone the feature branch and perform editable install with pip (see readme.md)
• start the application by typing shiver in the CML
• happy path
  • load an mde workspace
  • right click and select set corrections
    
  • config the correction table to match below
    
  • hit Apply or enter on the keyboard
• a new workspace should be visible from the mde list, and the correction tab should be gone automatically
  

IBM work item: Story588

[codecov]

Codecov Report

Merging #43 (3286e2c) into next (3b8a313) will increase coverage by 1.25%.
The diff coverage is 88.37%.

@@            Coverage Diff             @@
##             next      #43      +/-   ##
==========================================
+ Coverage   81.70%   82.96%   +1.25%     
==========================================
  Files          13       15       +2     
  Lines         924     1139     +215     
==========================================
+ Hits          755      945     +190     
- Misses        169      194      +25     

Impacted Files	Coverage Δ
src/shiver/models/histogram.py	60.00% <ø> (ø)
src/shiver/models/corrections.py	77.27% <77.27%> (ø)
src/shiver/presenters/histogram.py	83.78% <100.00%> (+19.07%)	⬆️
src/shiver/views/corrections.py	100.00% <100.00%> (ø)
src/shiver/views/histogram.py	86.04% <100.00%> (+0.68%)	⬆️
src/shiver/views/workspace_tables.py	89.23% <100.00%> (+0.70%)	⬆️

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[AndreiSavici]

Also, the tab should remember which are the new corrections that should be applied. For example, say I am working on a workspace that already had DB applied. It will show up with the button checked and disabled. So if the button is disabled, I should ignore it in the apply function

the requested refactoring has been performed