Inform user of logically deleted records in shapefiles and allow removal

[qgib]

Author Name: Alessandro Sarretta (@alesarrett)
Original Redmine Issue: 15740

Redmine category:unknown

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If a shapefile contains logically deleted records, the user is not informed about that.

The only thing a user can do to delete these records is to edit the shapefile or save it with as a new file (#23337).
Without knowing whether layers already contained in a QGIS projects or new layers have this issue, a user should always edit all the layers to be sure that they not contain logically deleted records.

One possible solution might be to inform the user, when opening a QGIS project or loading a new shapefile, about the presence of logically deleted records in the layers of the project, and provide a simple way to fix this. This could be a "save as" options for corrupted layers or an automatic editing (one record added and then deleted?).

I guess this automatic check could possibly slow down the start of a big project with a lot of layers. The activation of this check might be activated as default but maybe also unchecked in a setting parameter to avoid to slow down the opening of the project when a user is sure to have non-corrupted layers.

Test file can be found attached to this PostGIS ticket:
https://trac.osgeo.org/postgis/ticket/3645

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Related issue(s): #23661 (relates)
Redmine related issue(s): 15739

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[qgib]

Author Name: Giovanni Manghi (@gioman)

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• easy_fix was configured as 0

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• category_id was configured as Unknown