Merge #16361 - Fix #16355 - Make Textareas both sides resizable

Pull-request: #16361
Fixes: #16355

Signed-off-by: William Desportes <williamdes@wdes.fr>

themes/metro/scss/_common.scss

@@ -3518,6 +3518,10 @@ table.show_create {
   z-index: 100;
 }
 
+textarea {
+  resize: both;
+}
+
 #pma_console {
   position: relative;
   margin-#{$left}: 250px;

themes/original/scss/_common.scss

@@ -2879,6 +2879,10 @@ table.show_create {
   z-index: 100;
 }
 
+textarea {
+  resize: both;
+}
+
 #pma_console {
   position: relative;
   margin-#{$left}: 240px;

themes/pmahomme/scss/_common.scss

@@ -3405,6 +3405,10 @@ table.show_create {
   z-index: 100;
 }
 
+textarea {
+  resize: both;
+}
+
 #pma_console {
   position: relative;
   margin-#{$left}: $navi-width;