Fix associative array cell content in Table widget

[rhertogh]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Fixed issues	-

Currently passing an associative array as cell content breaks the Table widget.

[what-the-diff]

PR Summary

• Improved Data Handling in Table.php
  The setRows function in the Table.php file now handles empty and non-numeric values better. If a data slot is empty or contains non-numeric data, it gets replaced with a space. Also, if the data slot contains an array, it gets converted into series of values, making it easier to preview.

• Updated Test Cases in TableTest.php
  The testLists function in TableTest.php now includes new test scenarios reflecting above changes. It includes one additional test row with an array value. Also, the expected output has been updated according to these changes. For instance, the first column of the new row appears as "• col1" to improve visibility.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +32.64 🎉

Comparison is base (1a0e91e) 16.21% compared to head (acc98a2) 48.86%.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #19908       +/-   ##
===========================================
+ Coverage   16.21%   48.86%   +32.64%     
===========================================
  Files         445      445               
  Lines       41121    42785     +1664     
===========================================
+ Hits         6668    20905    +14237     
+ Misses      34453    21880    -12573     

Impacted Files	Coverage Δ
framework/console/widgets/Table.php	72.27% <100.00%> (+72.27%)	⬆️

... and 294 files with indirect coverage changes

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[bizley]

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