[sumac] fix: remove unnecessary toast notification on adding component (#1490) [FC-0062]

[navinkarkera]

(cherry picked from commit 033acc4)

Backport of #1490

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##             open-release/sumac.master    #1528   +/-   ##
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[bradenmacdonald]

@farhaanbukhsh FYI, backport of a small bugfix.

[bradenmacdonald]

When I test this on a sumac devstack, there is some kind of new weird flicker that it introduces as the editor opens. This isn't happening the same way on sumac.master (The editor does still change size after loading on sumac.master, but it doesn't flicker like this)

It doesn't happen consistently but I managed to get a video of it (see the second text component I add):

Flickering.Editor.mov

[bradenmacdonald]

Actually never mind, it is happening on sumac.master too :/
So it's unrelated to this PR.

[bradenmacdonald]

Looks good! Thanks for this fix. I tested it on my Sumac devstack, and the only issue I found seems unrelated (see above).

[navinkarkera]

@bradenmacdonald Yes, even I noticed this sometimes. I think it is the same in master branch as well.