bug (designer): export graph fails with TypeError: Cannot read properties of undefined (reading 'writeText')

[gesinn-it-gea]

• MW 1.39
• SMW 4.1.3
• KG 55874d6

Existing graph for a page:

Click on "export graph" leads to JS errors:

Uncaught TypeError: Cannot read properties of undefined (reading 'writeText')
    at Tool.onSelect (load.php?lang=en&modules=ext.KnowledgeGraph%7Cext.bootstrap.scripts%7Cjquery%2Coojs-ui-core%2Coojs-ui-widgets%7Coojs-ui.styles.icons-editing-advanced&skin=chameleon&version=171ex:504:25)
    at Tool.onSelect (load.php?lang=en&modules=ext.KnowledgeGraph%7Cext.bootstrap.scripts%7Cjquery%2Coojs-ui-core%2Coojs-ui-widgets%7Coojs-ui.styles.icons-editing-advanced&skin=chameleon&version=171ex:505:817)
    at OO.ui.ToolGroup.onMouseKeyUp (<anonymous>:366:413)
    at OO.ui.ToolGroup.onDocumentMouseKeyUp (<anonymous>:366:148)

[gesinn-it-gea]

@thomas-topway-it can you have a look at this issue please?

[thomas-topway-it]

for now I have only added this check f4c5b7f

it occurs when navigator.clipboard is used in insecure environment