fix(shares): fix anchor size and jump after preview loaded

Signed-off-by: Maksim Sukharev <[email protected]>

Author: Antreesy

src/components/MessagesList/MessagesGroup/Message/MessagePart/FilePreview.vue

@@ -587,10 +587,7 @@ export default {
 .file-preview {
 	position: relative;
 	min-width: 0;
-	width: 100%;
-	/* The file preview can not be a block; otherwise it would fill the whole
-	width of the container and the loading icon would not be centered on the
-	image. */
+	max-width: 100%;
 	display: inline-block;
 
 	border-radius: 16px;
@@ -618,7 +615,7 @@ export default {
 
 	.loading {
 		display: inline-block;
-		width: 100%;
+		min-width: 32px;
 		background-color: var(--color-background-dark);
 	}
 
@@ -653,7 +650,8 @@ export default {
 	}
 
 	.image-container {
-		display: flex;
+		position: relative;
+		display: inline-flex;
 		height: 100%;
 
 		&.playable {