Introduce jquery formvalidator for com_content ::frontend

[dgrammatiko]

Executive summary

This PR converts the form validation on com_content to use plain jquery (no mootools call on every form).
Also NO MORE INLINE SCRIPTS!

Testing

1. Apply first PR Reduce unneeded calls for mootools #4888 (!important)
2. Apply this PR
3. In the admin area create new menu item for submitting new article
4. go to the new menu and test that article is saved correctly

If no javascript errors are logged in your browser’s console and the functionality remains the same, your test is passing in any other case please report the errors here

Please also check these:
administrator/index.php?option=com_checkin should demonstrate multiselect without mt
administrator/index.php?option=com_users&view=mail should demonstrate form sent and validate without mt
administrator/index.php?option=com_modules should demonstrate multiselect and combobox without mt
Logout and log in to demonstrate the use of noframes without mt.

[smanzi]

@test success

@dgt41 tooltips misaligned, but I seems to remember you said this is expected... Can you confirm?

[dgrammatiko]

@smanzi Yes Sergio, this is unrelated (try some browser cache clearing)

[Hackwar]

@test success
I can equally report that everything works except for the misaligned tooltips.

[Hackwar]

I did clear my browser cache and it did not go away. The tooltips are still misaligned.

[dgrammatiko]

@smanzi @Hackwar Actually you are both right here, the tooltip is misaligned. But this has to do with the bootstrap css on protostar, not with jquery code. I’ll try to propose a solution

[roland-d]

Moving to RTC as we have 2 successful tests.

This comment was created with the J!Tracker Application at issues.joomla.org/joomla-cms/5113.

[smanzi]

@test success for this PR (created new article in front-end, no prob!)
Tested the set of: #5046 #5048 #5049 #5050 #5051 #5052 #5053 #5054 #5056 #5058 #5113 #5255