refactoring help overlay page and increasing tests coverage +5%

[gokulk16]

Changes:

• Refactored the help page actions to a new file
• Added tests for the contents of the new file
• Removed the localize file since not used for now

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[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	47.82% ⬆️ +5.89%	462 / 966
🔵	Statements	47.82% ⬆️ +5.89%	462 / 966
🔵	Functions	44.64% ⬆️ +4.29%	25 / 56
🔵	Branches	74.68% ⬆️ +3.85%	59 / 79

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
js/editor.js	38.6%	85.71%	36.36%	38.6%	32, 35-36, 42-48, 50-53, 56-73, 75-78, 80-84, 114-117, 123-124, 183-203, 221-237, 239-241, 243-252, 254-294, 296-315, 317-324, 327-357, 359-374, 376-385, 409-411, 413-421, 423-426, 429-432, 434-473, 479-481, 483-485, 488-518, 539-540, 564-573, 575-579, 596-638, 640-642, 644-668, 682-683, 686-701, 704-715
js/help_page.js	100%	100%	100%	100%

Generated in workflow #13