UBERF-5595: set up attachments sizes (#4746)

Signed-off-by: Kristina Fefelova <kristin.fefelova@gmail.com>

plugins/activity-resources/src/components/activity-message/ActivityMessagePresenter.svelte

@@ -35,6 +35,7 @@
   export let hoverable = true
   export let hoverStyles: 'borderedHover' | 'filledHover' = 'borderedHover'
   export let withShowMore: boolean = true
+  export let attachmentImageSize: 'x-large' | undefined = undefined
   export let showLinksPreview = true
   export let onClick: (() => void) | undefined = undefined
   export let onReply: (() => void) | undefined = undefined
@@ -65,6 +66,7 @@
       hoverable,
       hoverStyles,
       withShowMore,
+      attachmentImageSize,
       showLinksPreview,
       onClick,
       onReply