[NEW FEATURE] Improvement of MME layout and search features

[strambc]

Inherits from WU-BIMAC/MicroMetaApp-Electron#50

• Add separation vertical separation line between different microscopes
• Evaluate Search Functionality
  ---- Do we want to show all found microscopes? or highlight the one that has the term?
  ---- Do we want to open the relevant section and highlight the term?
• Evaluate which section should be opened by Default