* always show empty line at bottom of the tag list to allow adding more tags (replaces `+` button and tab logic)
* disable delete and info buttons on empty tag
* replace deferring of tag change events and re-rendering with a simpler logic (to fix issues like #10871):
only set input field values if the rendering event was triggered by an external event, or by a change of the respective field in the raw tag editor itself
* skip delete and tag info buttons while navigating using tab: makes it more quick to get to where one typically needs to, deleting a key using the keyboard only is possible by emptying the tag's key, and advanced users are not typically using the `i` button anyway
full list of enhancements:
* year slider to filter photos by freshness
* toggle active streetlevel layers with shortcut `shift+P`
* hfov, pitch and direction is now held between sequences and images as asked in #10392
* fix for #10361 (only panoramax)
* added tests and jsdoc
* add ticks for existing photos on slider
* general bug fixes
* rudimentary support for toDate in date slider (only when iD is started with a "to" date in the hash parameter: show a second slider to visualize and set the "to" date)
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Co-authored-by: Martin Raifer <martin@raifer.tech>
restores behaviour from #4624/#4624, but switch to a neutral emphasis instead of the red color (which might be misinterpreted that the user already made a mistake)
Replaces the workaround of the tile rendering issues on Chrome at odd zoom levels.
The svg filter `#alpha-slope5` alters the alpha channel of background tiles such that everything but (almost) transparent pixels are rendered fully opaque.
closes#10747
Fixes#105073 where the empty nav button for 'next' was overlapping the keyboard shortcuts button when the user was currently view the Quality Assurance page.
When changing to a different photo, it can be the case that the new photo has a different aspect ratio: the zoom behaviour needs to be updated.
Also, keeping the "orientation" does not make sense for plane photos, and even keeping the previously shown photo's zoom is also not typically desired for these.
