Add container for action buttons

[DarkSide666]

See description in #668. fix #668.

Before:

After:

[codecov]

Codecov Report

Merging #669 into develop will decrease coverage by 0.01%.
The diff coverage is 75%.

@@              Coverage Diff              @@
##             develop     #669      +/-   ##
=============================================
- Coverage      72.75%   72.74%   -0.02%     
- Complexity      1868     1869       +1     
=============================================
  Files            102      102              
  Lines           4416     4418       +2     
=============================================
+ Hits            3213     3214       +1     
- Misses          1203     1204       +1

Impacted Files	Coverage Δ	Complexity Δ
src/TableColumn/Actions.php	90.9% <75%> (-2.64%)	12 <0> (+1)

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[codecov]

Codecov Report

Merging #669 into develop will decrease coverage by 0.01%.
The diff coverage is 75%.

@@              Coverage Diff              @@
##             develop     #669      +/-   ##
=============================================
- Coverage      72.75%   72.74%   -0.02%     
- Complexity      1868     1869       +1     
=============================================
  Files            102      102              
  Lines           4416     4418       +2     
=============================================
+ Hits            3213     3214       +1     
- Misses          1203     1204       +1

Impacted Files	Coverage Δ	Complexity Δ
src/TableColumn/Actions.php	90.9% <75%> (-2.64%)	12 <0> (+1)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4296a25...2a5b296. Read the comment docs.

[ibelar]

This is good also because it remove space between buttons so making column width smaller.