Improve shared role creation in sub organization level

[ShanChathusanda93]

Purpose

When there is a role already available in the sub organization level, then a new role will be created in the sub organization level by appending the _shared_to_ + sharedSubOrgTenantDomain to the role name.

Goals

Resolve the conflict when the roles are shared to the sub organizations when the a role is available with the same name in the sub organization level.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 27.62%. Comparing base (8c75c3d) to head (f10580d).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
...ation/management/handler/SharedRoleMgtHandler.java	0.00%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #399      +/-   ##
============================================
- Coverage     27.64%   27.62%   -0.03%     
  Complexity      368      368              
============================================
  Files            50       50              
  Lines          4145     4149       +4     
  Branches        478      479       +1     
============================================
  Hits           1146     1146              
- Misses         2911     2915       +4     
  Partials         88       88              

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