new remote control SEAV BeEasy TX

[elektron-bbs]

• Please check if the PR fulfills these requirements

• Tests for the changes have been added / modified (needed for for bug fixes / features)
• commandref has been added / updated (needed for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• Bugfix (please link issue)
• Feature enhancement
• Documentation update
• Unittest enhancement
• other

• What is the current behavior?
  (You can also link to an open issue here, if this describes the current behavior)
  No reception and transmission of the remote control SEAV BeEasy TX, see Add SEAV BeEasy TX blind controller #1276

• What is the new behavior (if this is a feature change)?
  Reception and transmission of the SEAV BeEasy TX remote control works.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
  no

• Other information:

[codecov]

Codecov Report

Attention: Patch coverage is 87.09677% with 8 lines in your changes missing coverage. Please review.

Project coverage is 86.69%. Comparing base (97bc112) to head (f1a2f94).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
FHEM/14_SD_UT.pm	87.09%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1279      +/-   ##
==========================================
+ Coverage   85.94%   86.69%   +0.74%     
==========================================
  Files         137      140       +3     
  Lines       10226    10271      +45     
  Branches     1676     1681       +5     
==========================================
+ Hits         8789     8904     +115     
+ Misses       1436     1366      -70     
  Partials        1        1              

Flag	Coverage Δ
fhem	79.00% <87.09%> (+0.79%)	⬆️
modules	86.69% <87.09%> (+0.74%)	⬆️
perl	95.98% <ø> (+0.60%)	⬆️
unittests	86.69% <87.09%> (+0.74%)	⬆️

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