Restore differential expression

[asizemore]

Turns on differential expression for the frontend. PCA (dimensionalityReduction) was already on :)

[bobular]

Rebased this to main - it had originally been branched from a "yarn 3 state" before the security fixes were rolled out.

  # 1. Save your current position (safety bookmark)                                                                                                                                  
  git branch backup-restore-genomics-apps
                                                                                                                                            
  # 2. Do the rebase                                                                                                                                                                 
  git rebase main                                                                                                                                                                    

  # If conflicts occur:                                                                                                                                                              
  #   - Fix them                                                                                                                                                                     
  #   - git add <fixed-files>                                                                                                                                                        
  #   - git rebase --continue                                                                                                                                                        
                                                                                                                                                                                     
  # If things go wrong:                                                                                                                                                              
  git rebase --abort  # Cancels the rebase completely                                                                                                                                
                                                                                                                                                                                     
  # 3. After successful rebase, review changes                                                                                                                                       
  git diff backup-restore-genomics-apps  # See what changed                                                                                                                          
                                                                                                                                                                                     
  # 4. If happy, push (requires force-push since history changed)                                                                                                                    
  git push --force-with-lease origin restore-genomics-apps                                                                                                                           

--force-with-lease is a safer way to force-push that doesn't lose other developers' commits if pushed in the meantime.

[bobular]

No need for this any more