PR notifications - add analytics, update CTAs & display light pages alerts

[ccataalin]

• HDX-10249 implement Mixpanel tracking
• HDX-10238 update CTA buttons
• HDXDPT-1119 display alerts on light pages

[coveralls]

Pull Request Test Coverage Report for Build #5805

Details

• 27 of 35 (77.14%) changed or added relevant lines in 6 files are covered.
• 122 unchanged lines in 16 files lost coverage.
• Overall coverage decreased (-0.2%) to 73.887%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
ckanext-hdx_package/ckanext/hdx_package/views/dataset.py	2	3	66.67%
ckanext-hdx_users/ckanext/hdx_users/helpers/analytics.py	2	5	40.0%
ckanext-hdx_users/ckanext/hdx_users/views/notification_platform.py	2	6	33.33%

Files with Coverage Reduction	New Missed Lines	%
ckanext-hdx_org_group/ckanext/hdx_org_group/helpers/org_batch.py	1	95.65%
ckanext-hdx_users/ckanext/hdx_users/plugin.py	2	95.16%
ckanext-hdx_users/ckanext/hdx_users/views/notification_platform.py	2	26.53%
ckanext-hdx_theme/ckanext/hdx_theme/hxl/operations/recipes.py	3	60.0%
ckanext-hdx_theme/ckanext/hdx_theme/hxl/transformers/transformers.py	3	71.43%
ckanext-hdx_theme/ckanext/hdx_theme/hxl/operations/operations.py	4	55.56%
ckanext-hdx_theme/ckanext/hdx_theme/views/count.py	4	43.18%
ckanext-hdx_theme/ckanext/hdx_theme/helpers/actions.py	4	62.54%
ckanext-hdx_hxl_preview/ckanext/hdx_hxl_preview/plugin.py	5	82.35%
ckanext-hdx_package/ckanext/hdx_package/actions/get.py	6	75.34%

Totals
Change from base Build #5800:	-0.2%
Covered Lines:	12229
Relevant Lines:	16551

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💛 - Coveralls

[ccataalin]

merged into prod, see #6463.