TF-1778 Fix system not display signature in email which has been sent

(cherry picked from commit 18324cfafbd4cc87f5e9ae01ad06195ec2039cfd)

pubspec.lock

@@ -361,11 +361,11 @@ packages:
     source: hosted
     version: "2.0.0"
   enough_html_editor:
-    dependency: transitive
+    dependency: "direct overridden"
     description:
       path: "."
-      ref: email_supported
-      resolved-ref: "4bbf049d7ec62d09030e4033760cd945439ba24d"
+      ref: "fix/escaped-html-signature"
+      resolved-ref: ff1a6f33cab442cd59d3d8548f51313ca0274a27
       url: "https://github.com/linagora/enough_html_editor.git"
     source: git
     version: "0.0.5"

pubspec.yaml

@@ -222,6 +222,11 @@ dependency_overrides:
 
   pointer_interceptor: 0.9.1
 
+  enough_html_editor:
+    git:
+      url: https://github.com/linagora/enough_html_editor.git
+      ref: fix/escaped-html-signature
+
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec