Organize columns in the column selection modal

[brianlove]

Add groups to the column selection modal to organize related columns together.

Closes #235

[github-actions[bot]]

No need for rebasing :+1: behind_count is 0 ahead_count is 1

[github-actions[bot]]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
595	424	71%	0%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 01b8aa8 by action🐍

[github-actions[bot]]

JavaScript Coverage

Summary

Lines	Statements	Branches	Functions
	67.53% (416/616)	54.22% (218/402)	70.15% (134/191)

Modified Files • (67%)

File	% Stmts	% Branch	% Funcs	% Lines	Uncovered Line #s
All files	67.53	54.22	70.15	67.29
components	64.2	54.43	64.92	63.78
AddRemoveColumnDialog.jsx	93.33	87.5	87.5	93.1	122, 142
ListViewTable.jsx	90.9	73.88	98.38	90.8	286, 369–370, 375–378, 487, 532, 692, 713–716, 732–733, 757–758, 761, 779–782, 806, 820–825
static_data	71.42	58.06	80	69.49
table_columns.js	70.49	58.06	80	68.42	201–335, 593–594