Align WSO2 logo and text in login page

[AnuGayan]

This PR will introduce

• Align the WSO2 logo and text in the login page
• Add Log analytics configuration to log4j2.properties file by default

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.62%. Comparing base (e6b5232) to head (2a3e62b).
Report is 8 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #13463      +/-   ##
============================================
+ Coverage     24.31%   24.62%   +0.31%     
- Complexity     1242     1265      +23     
============================================
  Files           254      254              
  Lines         11495    11495              
  Branches       1200     1200              
============================================
+ Hits           2795     2831      +36     
+ Misses         8673     8637      -36     
  Partials         27       27              

Flag	Coverage Δ
integration_tests	24.62% <ø> (+0.31%)	⬆️

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