fix: table component should emit column change when columns are updated

[arjunlalb]

Description

Table component should emit the column list whenever its updated.

Testing

Manual testing done.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #2399 (6cf723a) into main (ca2a8f9) will increase coverage by 30.30%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##             main    #2399       +/-   ##
===========================================
+ Coverage   52.62%   82.93%   +30.30%     
===========================================
  Files         920      920               
  Lines       20490    20493        +3     
  Branches     3223     3223               
===========================================
+ Hits        10783    16995     +6212     
+ Misses       9281     3376     -5905     
+ Partials      426      122      -304     

Files Changed	Coverage Δ
projects/components/src/table/table.component.ts	78.08% <100.00%> (+24.28%)	⬆️

... and 300 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[github-actions]

Unit Test Results

       4 files  ±0     309 suites  ±0   46m 24s ⏱️ -49s
1 121 tests +1  1 121 ✔️ +1  0 💤 ±0  0 ❌ ±0 
1 131 runs  +1  1 131 ✔️ +1  0 💤 ±0  0 ❌ ±0 

Results for commit 80619ef. ± Comparison against base commit ca2a8f9.