RDKB-66935, RDKB-66933 - Fix for Absolute schedule Overlapping Schedule

[guruchandru]

Reason for change: The absolute Schedule overlap scenario should send proper notification.
Test Procedure: Build should be successful with no regression and all scenario tests must pass.

Risks: Medium
Priority: P1

[codecov]

Codecov Report

❌ Patch coverage is 63.87097% with 56 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.13%. Comparing base (e5bbb95) to head (d4e440e).

Files with missing lines	Patch %	Lines
src/aker_notification.c	63.87%	12 Missing and 44 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #192      +/-   ##
==========================================
+ Coverage   54.82%   56.13%   +1.30%     
==========================================
  Files          17       17              
  Lines        2134     2259     +125     
  Branches      408      445      +37     
==========================================
+ Hits         1170     1268      +98     
+ Misses        629      621       -8     
- Partials      335      370      +35     

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