ui : select instead input for skills & rol on members & job-offer serach

src/styles/content.scss

@@ -291,7 +291,7 @@ hdapp-available {
     flex-shrink: 0;
   }
 
-  input {
+  input, select {
     flex-grow: 1;
     min-width: 0;
   }
@@ -325,7 +325,7 @@ hdapp-available {
     flex-shrink: 0;
   }
 
-  input {
+  input, select {
     flex-grow: 1;
     min-width: 0;
   }

src/styles/form.scss

@@ -106,7 +106,13 @@ sib-form {
   }
 }
 
-sib-form-label-text{
+sib-form-label-text,sib-form-dropdown{
   display: flex;
   flex-wrap: nowrap;
 }
+
+select{
+  background-color: $color-white;
+  border-style: none;
+  box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15)
+}