Revert "Fix scroll jump issue with the composer (#8791)"

This reverts commit 5167521.

Author: t3chguy

res/css/views/rooms/_MessageComposer.scss

@@ -27,11 +27,6 @@ limitations under the License.
         "composer controls" auto
         / 1fr     auto;
 
-    /* the below is required, without this some unexpected scroll jump
-       will occur when erasing the composer content or jumping to voice note
-       recording */
-    min-height: 45px;
-
     .mx_ReplyPreview {
         grid-area: reply;
     }

res/css/views/rooms/_SendMessageComposer.scss

@@ -31,6 +31,11 @@ limitations under the License.
         display: flex;
         flex-direction: column;
 
+        /* the below is required, without this some unexpected scroll jump
+        will occur when erasing the composer content or jumping to voice note
+        recording */
+        min-height: 45px;
+
         .mx_BasicMessageComposer_input {
             // this will center the contenteditable
             // in it's parent vertically