Loosing tags when editing project

[patrickdb]

Describe the bug
When I edit an existing project, I encountered an usability flaw that results in loss of tags (and probably other changes).
This is caused by accidentally clicking outside the project dialog window, which causes the screen under editing to disappear, without giving the user the chance to save made changes. My user expectation was in this case (while i did not see the save button, outside the visible screen), that changes were auto-saved. So I clicked outside the edit window after completing my changes. After changing three projects I found out, none of the changes were saved.

To Reproduce
Steps to reproduce the behavior:

1. Go to a project you own
2. Select edit
3. edit some data
4. click outside the edit pane (on the gray area of the main screen).
5. edit pane closes and changes are lost/not saved

Expected behavior
Proposed solution:

• auto-save every changed content field of a project, after refresh of one of the ui component or focus shift, or clicking outside of window.
• Move 'Save' button to a location, so that it is always visible to the user (always on top). In combination with preventing that clicking outside the edit pane, closes edit pane (or asking if changes should be saved or not).

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Additional context
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