fix(mobile) : fix responsive join/claim structure

src/app/form/form.component.html

@@ -62,7 +62,7 @@
       fxLayoutAlign="space-between center"
       fxLayoutAlign.lt-sm="center"
     >
-      <h2 class="no-wrap">
+      <h2>
         {{ isJoinMode ? 'Rejoindre' : 'Revendiquer' }} la structure <span>{{ claimStructure.structureName }}</span>
       </h2>
       <div>