Some optimizations and fixes.

[ChadSikorra]

A few fixes coming out of some performance profiling in the LDAP repo:

1. When reading data, don't peek. This eliminates a costly fread when dealing with lots of data.
2. Update the message queue to correctly use generators for getMessages. Remove the useless generate usage for getMessage.

[codecov]

Codecov Report

❌ Patch coverage is 91.48936% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.19%. Comparing base (df21e77) to head (713dcb0).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/FreeDSx/Socket/Socket.php	86.95%	3 Missing ⚠️
src/FreeDSx/Socket/Queue/MessageQueue.php	95.83%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master       #6      +/-   ##
============================================
+ Coverage     77.11%   81.19%   +4.07%     
+ Complexity      105      101       -4     
============================================
  Files             7        7              
  Lines           319      319              
============================================
+ Hits            246      259      +13     
+ Misses           73       60      -13     

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