Custom copy clipboard notifications

[Jermolene]

Fixes #8208 by allowing custom notification messages to be provided for the following messages:

• tm-copy-to-clipboard
• tm-permalink
• tm-permaview

Two points to watch:

• The notification mechanism requires a tiddler title to display. It is not possible to provide a snippet of wikitext
• Separate messages are used for the operation succeeding and failing

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Name	Status	Preview	Updated (UTC)
tiddlywiki5	✅ Ready (Inspect)	Visit Preview	May 29, 2024 2:09pm

[pmario]

I do get a RSOD with both FF lastest and Edge latest on Windows 11

• At page startup, there is a notification "Failed Copy to Clipboard"
• Then Tiddler-Toolbar -> More -> Permalink creates a RSOD - see screenshot.

Console says:

Not sure if that helps, but "Pause on exception" stops here.

[Jermolene]

Thanks @pmario fix coming up

[kookma]

Thanks @pmario fix coming up

I still get the RSOD on https://tiddlywiki.com/prerelease/#WidgetMessage%3A%20tm-copy-to-clipboard (Today: 2024.05.30)

[Jermolene]

Thank you @kookma much appreciated, fixed in 7a50b2b554d21fde0a4da03e051c1a0521e71426