Feat: Export to image (#9037)

* feat: export to image

* chore: export selection on whiteboards

* fix: whiteboards zoom on export

* fix: loading position

* chore: support video thumb

* core: add export to  whiteboards context menu

* fix: context menu entry

* fix; copy image to clipboard

* fix: copy / export label

* fix: hide ui elements

* fix: remove random character

* fix: graph export

* chore: remove console log and jpg format

* style: run prettier

* fix: disable on multiple selected blocks

* fix: multiple blocks

* enhance: restrict bounds of selected shapes

* chore: export selection on whiteboards

* fix: whiteboards zoom on export

* chore: support video thumb

* core: add export to  whiteboards context menu

* fix: context menu entry

* fix; copy image to clipboard

* fix: copy / export label

* fix: hide ui elements

* fix: remove random character

* fix: graph export

* chore: remove console log and jpg format

* style: run prettier

* fix: disable on multiple selected blocks

* fix: multiple blocks

* enhance: restrict bounds of selected shapes

* Fix any html2canvas related functionality failing in publishing

* fix: portal header gradient on export

* chore: add comment about html2canvas-ignore attr

* fix: use export padding constant

* fix: export collapsed portals with size >  medium

* fix: reset export type

* enhance: export filename

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Co-authored-by: Gabriel Horner <gabriel@logseq.com>
Co-authored-by: Tienson Qin <tiensonqin@gmail.com>

public/index.html

@@ -50,6 +50,7 @@
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 <script defer src="/static/js/highlight.min.js"></script>
 <script defer src="/static/js/interact.min.js"></script>
+<script defer src="/static/js/html2canvas.min.js"></script>
 <script defer src="/static/js/main.js"></script>
 <script defer src="/static/js/amplify.js"></script>
 <script defer src="/static/js/tabler.min.js"></script>