[6.0] Remove the dispatch event functions in model and view

[laoneo]

Summary of Changes

Removes the dispatchEvent functions in the view and model class. Therefor the getDispatcher overrides are not required anymore.

Testing Instructions

Install test sample data and browse around the front end and back end.

Actual result BEFORE applying this Pull Request

All is working.

Expected result AFTER applying this Pull Request

All is working.

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org: Remove the dispatch event functions in model and view Manual#458

• No documentation changes for manual.joomla.org needed

[HLeithner]

I have tested this item ✅ successfully on f58928c

code review

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[ceford]

I have tested this item ✅ successfully on f58928c

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[richard67]

RTC

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[Bodge-IT]

Thanks for work @laoneo and thanks for taking time to test @ceford and @HLeithner