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

---------

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

resources/css/common.css

@@ -921,4 +921,9 @@ html.is-mobile {
         @apply grid grid-flow-col auto-cols-max;
         place-items: center;
     }
+
+  /* fixes an html2canvas issue */
+  img {
+    @apply inline-block;
+  }
 }