Attribute table edit button: only changes to columns are refreshed when Discarding changes

[qgib]

Author Name: Alister Hood (@AlisterH)
Original Redmine Issue: 4635
Affected QGIS version: master
Redmine category:gui

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(N.B. I thought a bug like this was reported a long time ago, but I can't find it).

• Open an attribute table

• Click the edit button

• Add or delete a column

• Click the edit button, and then click to Discard changes.
  The attribute table will be refreshed as it should be (i.e. the column will disappear or reappear again).

• Open an attribute table

• Click the edit button

• Add or delete a feature, or change one of its attributes

• Click the edit button, and then click to Discard changes.
  The attribute table will not be refreshed as it should be. To refresh it you need to close and reopen it.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• fixed_version_id was configured as Version 1.7.4

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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Fixed in changeset "04a282425875dbea7cda8cbf68ff1fdbf50e8e78".

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• crashes_corrupts_data was configured as 0
• version was configured as master
• done_ratio was changed from 0 to 100
• status_id was changed from Open to Closed