fix(pci.project.private-network): prevent inputs from overlaping (#738)

ref: MANAGER-2672

Author: marie-j

packages/manager/modules/pci/src/index.scss

@@ -9,6 +9,10 @@
     min-height: 100%;
   }
 
+  .minw-0 {
+    min-width: 0;
+  }
+
   .overflow-auto {
     overflow: auto !important;
   }

packages/manager/modules/pci/src/projects/project/private-networks/add/add.html

@@ -98,14 +98,14 @@
                                 data-label="{{:: 'pci_projects_project_network_private_create_localisation_range' | translate }}">
                                 <div class="d-flex flex-wrap flex-xl-nowrap justify-content-around align-items-center">
                                     <input
-                                    class="oui-input mb-0 mr-xl-2"
+                                    class="oui-input minw-0 mb-0 mr-xl-2"
                                     type="text"
                                     name="{{:: region + '-range-start' }}"
                                     data-ng-model="subnet.start"
                                     disabled>
                                 <span>-</span>
                                 <input
-                                    class="oui-input mb-0 ml-xl-2"
+                                    class="oui-input minw-0 mb-0 ml-xl-2"
                                     type="text"
                                     name="{{:: region + '-range-end' }}"
                                     data-ng-model="subnet.end"