Fix reloading issue when performing batch updates

[zenangst]

• Refactor performBatchUpdates in FamilyViewController to
  keep the layout transitions intact

[codecov-io]

Codecov Report

Merging #205 into master will decrease coverage by 2.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #205      +/-   ##
==========================================
- Coverage   79.72%   77.63%   -2.09%     
==========================================
  Files          12       12              
  Lines         863      863              
==========================================
- Hits          688      670      -18     
- Misses        175      193      +18     

Flag	Coverage Δ
iOS	33.85% <ø> (-37.80%)	⬇️
macOS	77.63% <ø> (ø)
tvOS	33.85% <ø> (ø)

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

Impacted Files	Coverage Δ
Sources/Shared/FamilySpaceManager.swift	54.83% <0.00%> (-32.26%)	⬇️
Sources/Shared/OSSignpostController.swift	0.00% <0.00%> (-22.23%)	⬇️
Sources/Shared/BinarySearch.swift	73.52% <0.00%> (-5.89%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 896ca93...294c3fa. Read the comment docs.