dolphin - Patched KDE Dolphin with Pixel Scaling

Age	Commit message (Collapse)	Author
2020-11-09	Adress the third round of Angelaccio's review comments	Felix Ernst
	Additionally remove some redundant code concerning UrlNavigator visuals.
2020-11-09	Adress most of the second round of Angelaccio's review comments	Felix Ernst
	This commit applies most suggestions which were made on the MR. Most notably the DolphinUrlNavigator class is split up which leads to the creation of a DolphinUrlNavigatorsController class. Additionally some minor coding style and const correctness changes are included. The error value of cached integers is changed from -1 to INT_MIN because situations could come up in which -1 would be a valid value.

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