Update and improve DeckGL pane

[philippjfr]

Fixes #3031
Fixes #3145
Fixes #3130
Fixes #3015
Fixes #3144

[codecov]

Codecov Report

Merging #3158 (ea7da3d) into master (8503e5a) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3158      +/-   ##
==========================================
- Coverage   82.98%   82.98%   -0.01%     
==========================================
  Files         192      192              
  Lines       25493    25500       +7     
==========================================
+ Hits        21156    21161       +5     
- Misses       4337     4339       +2     

Impacted Files	Coverage Δ
panel/models/deckgl.py	96.66% <100.00%> (+0.11%)	⬆️
panel/pane/deckgl.py	73.38% <100.00%> (+0.19%)	⬆️
panel/widgets/input.py	96.29% <0.00%> (-0.46%)	⬇️

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[andhuang-CLGX]

Thanks for implementing these changes!!