Add timeout to SSH Agent streams

[droidmonkey]

• Fixes App freezes after entering master password - ssh-agent deadlock #11128

Testing strategy

Pending testing in a replicated environment

Type of change

• ✅ Bug fix (non-breaking change that fixes an issue)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.97%. Comparing base (c1a66a8) to head (a82283b).
Report is 11 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #11290   +/-   ##
========================================
  Coverage    62.97%   62.97%           
========================================
  Files          362      362           
  Lines        37783    37781    -2     
========================================
- Hits         23792    23791    -1     
+ Misses       13991    13990    -1     

Flag	Coverage Δ
	62.97% <ø> (?)

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