Fixes #17570 - Only execute `onContentLoad` once per page

When an event is triggered, jQuery attempts to execute the on<name>
method if it exists for event <name>. We were also manually triggering
the `onContentLoad` every time the `ContentLoad` event was triggered,...

Fixes #17571 - Refactor tfm.tools to use ES6 syntax

This also extracts the inherited user roles function to a sepereate
module, adds tests and refactors it. These changes also fix two other
issues:
1. a possible stored XSS in usergroup names,
2. tooltips on tables were broken (due to => syntax not changing `this`)...

Fixes #17569 - prevent error on chart component unmount

(cherry picked from commit f81ed5ce4c9b1bb231b8f68d1e53ca0486654e26)

Fixes #17501 - Display tooltips on dashboard widgets (#4067)

(cherry picked from commit a18cc1f1cd42cde2749d5ef1921d927fc0ec7ce2)

Fixes #17035 - removes webpack provider plugin

(cherry picked from commit ebe6db02dc02b47b84a63b993fd14cd89693726b)

Fixes #15232 - Showing inherited roles from User groups to user

refs #14688 - updated corret meta tag name and missing whitespace.

Fixes #14688 - Power status visible on hosts index page

Fixes #17038 - Improve js testing coverage reporting

Fixes #13424 - c3 patternfly react implementation