Fix height for chatroom forms

css/converse.css

@@ -8462,7 +8462,7 @@ body.reset {
         border: 0;
         color: #777;
         font-size: 14px;
-        height: 289px;
+        height: 100%;
         width: 100%;
         overflow-y: auto;
         position: absolute; }
@@ -8472,6 +8472,7 @@ body.reset {
           color: #A53214; }
         #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form,
         #conversejs .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form {
+          height: 100%;
           margin-top: 2em; }
           #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form label,
           #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form input[type=text],

css/inverse.css

@@ -8605,7 +8605,7 @@ body {
         border: 0;
         color: #777;
         font-size: 16px;
-        height: 289px;
+        height: 100%;
         width: 100%;
         overflow-y: auto;
         position: absolute; }
@@ -8615,6 +8615,7 @@ body {
           color: #A53214; }
         #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form,
         #conversejs .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form {
+          height: 100%;
           margin-top: 2em; }
           #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form label,
           #converse-embedded-chat .chatroom .box-flyout .chatroom-body .chatroom-form-container .chatroom-form input[type=text],

sass/_chatrooms.scss

@@ -250,7 +250,7 @@
                     border: 0;
                     color: $text-color;
                     font-size: $font-size;
-                    height: 289px;
+                    height: 100%;
                     width: 100%;
                     overflow-y: auto;
                     position: absolute;
@@ -260,6 +260,7 @@
                         color: $error-color;
                     }
                     .chatroom-form {
+                        height: 100%;
                         margin-top: 2em;
 
                         label,