fix: Minor desktop fixes

lib/components/avatar.dart

@@ -12,19 +12,21 @@ class Avatar extends StatelessWidget {
   final double size;
   final Function onTap;
   static const double defaultSize = 44;
+  final Client client;
 
   const Avatar(
     this.mxContent,
     this.name, {
     this.size = defaultSize,
     this.onTap,
+    this.client,
     Key key,
   }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     var thumbnail = mxContent?.getThumbnail(
-      Matrix.of(context).client,
+      client ?? Matrix.of(context).client,
       width: size * MediaQuery.of(context).devicePixelRatio,
       height: size * MediaQuery.of(context).devicePixelRatio,
     );

lib/components/content_banner.dart

@@ -11,12 +11,14 @@ class ContentBanner extends StatelessWidget {
   final IconData defaultIcon;
   final bool loading;
   final Function onEdit;
+  final Client client;
 
   const ContentBanner(this.mxContent,
       {this.height = 400,
       this.defaultIcon = Icons.people_outline,
       this.loading = false,
       this.onEdit,
+      this.client,
       Key key})
       : super(key: key);
 
@@ -26,7 +28,7 @@ class ContentBanner extends StatelessWidget {
     final bannerSize =
         (mediaQuery.size.width * mediaQuery.devicePixelRatio).toInt();
     final src = mxContent?.getThumbnail(
-      Matrix.of(context).client,
+      client ?? Matrix.of(context).client,
       width: bannerSize,
       height: bannerSize,
       method: ThumbnailMethod.scale,

lib/components/input_bar.dart

@@ -4,6 +4,7 @@ import 'package:famedlysdk/famedlysdk.dart';
 import 'package:flutter_typeahead/flutter_typeahead.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'avatar.dart';
+import 'matrix.dart';
 
 class InputBar extends StatelessWidget {
   final Room room;
@@ -138,7 +139,11 @@ class InputBar extends StatelessWidget {
     return ret;
   }
 
-  Widget buildSuggestion(BuildContext context, Map<String, String> suggestion) {
+  Widget buildSuggestion(
+    BuildContext context,
+    Map<String, String> suggestion,
+    Client client,
+  ) {
     if (suggestion['type'] == 'emote') {
       final size = 30.0;
       final ratio = MediaQuery.of(context).devicePixelRatio;
@@ -182,8 +187,12 @@ class InputBar extends StatelessWidget {
         child: Row(
           crossAxisAlignment: CrossAxisAlignment.center,
           children: <Widget>[
-            Avatar(url, suggestion['displayname'] ?? suggestion['mxid'],
+            Avatar(
-                size: size),
+              url,
+              suggestion['displayname'] ?? suggestion['mxid'],
+              size: size,
+              client: client,
+            ),
             SizedBox(width: 6),
             Text(suggestion['displayname'] ?? suggestion['mxid']),
           ],
@@ -283,7 +292,7 @@ class InputBar extends StatelessWidget {
         textCapitalization: TextCapitalization.sentences,
       ),
       suggestionsCallback: getSuggestions,
-      itemBuilder: buildSuggestion,
+      itemBuilder: (c, s) => buildSuggestion(c, s, Matrix.of(context).client),
       onSuggestionSelected: (Map<String, String> suggestion) =>
           insertSuggestion(context, suggestion),
       errorBuilder: (BuildContext context, Object error) => Container(),

lib/components/matrix.dart

@@ -310,7 +310,7 @@ class MatrixState extends State<Matrix> {
     final Set verificationMethods = <KeyVerificationMethod>{
       KeyVerificationMethod.numbers
     };
-    if (PlatformInfos.isMobile) {
+    if (PlatformInfos.isMobile || (!kIsWeb && Platform.isLinux)) {
       // emojis don't show in web somehow
       verificationMethods.add(KeyVerificationMethod.emoji);
     }

lib/components/user_bottom_sheet.dart

@@ -208,6 +208,7 @@ class UserBottomSheet extends StatelessWidget {
                     child: ContentBanner(
                       user.avatarUrl,
                       defaultIcon: Icons.person_outline,
+                      client: user.room.client,
                     ),
                   ),
                   ListTile(