[ENH] owranksurvivalfeatures: minor UI improvements

[JakaKokosar]

Issue

Changes:

• Set auto commit to True by default.
• Sort rows by p-values on ranking finished.
• set widget size hints

Description of changes

Includes

• Code changes
• Tests
• Documentation

[codecov-commenter]

Codecov Report

Merging #37 (2315a24) into master (6482214) will decrease coverage by 0.15%.
The diff coverage is 14.28%.

@@            Coverage Diff             @@
##           master      #37      +/-   ##
==========================================
- Coverage   45.35%   45.19%   -0.16%     
==========================================
  Files          12       12              
  Lines        1162     1166       +4     
==========================================
  Hits          527      527              
- Misses        635      639       +4     

Impacted Files	Coverage Δ
...urvival_analysis/widgets/owranksurvivalfeatures.py	0.00% <0.00%> (ø)
...contrib/survival_analysis/widgets/owkaplanmeier.py	94.40% <100.00%> (ø)

---

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 6482214...2315a24. Read the comment docs.