Notification message to include the reason

[shinde-rahul]

Q	A
Bug fix? (use the a.b branch)	🔴
New feature/enhancement? (use the a.x branch)	🔴
Deprecations?	🔴
BC breaks? (use the c.x branch)	🔴
Automated tests included?	🔴
Related user documentation PR URL	mautic/user-documentation#...
Related developer documentation PR URL	mautic/developer-documentation-new#...
Issue(s) addressed	Fixes #14105

Description

Please see #14105

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📋 Steps to test this PR:

1. Open this PR on Gitpod or pull down for testing locally (see docs on testing PRs here)
2. Create multiple imports, out of which a minimum of two should be in In-Progress status
3. Execute the bin/console mautic:import and see the notification area.

PS. Creating import with In-Progress status is a challenge via UI.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.16%. Comparing base (6e0121a) to head (8bbc4b0).

Additional details and impacted files

@@             Coverage Diff              @@
##                5.x   #14216      +/-   ##
============================================
+ Coverage     63.15%   63.16%   +0.01%     
  Complexity    34462    34462              
============================================
  Files          2266     2266              
  Lines        103102   103102              
============================================
+ Hits          65109    65125      +16     
+ Misses        37993    37977      -16     

Files with missing lines	Coverage Δ
app/bundles/LeadBundle/Model/ImportModel.php	87.64% <100.00%> (+4.24%)	⬆️

... and 2 files with indirect coverage changes