fix(app) : clean z-index

src/app/menu-phone/menu-phone.component.scss

@@ -25,7 +25,7 @@
   right: 0;
   width: 100%;
   height: 100%;
-  z-index: $modal-menu-phone-z-index;
+  z-index: $menu-phone-z-index;
   animation: slideMenu 0.5s;
   .contentMenu {
     background-color: $white;

src/app/shared/components/modal/modal.component.scss

@@ -5,7 +5,7 @@
 @import '../../../../assets/scss/hyperlink';
 .cModal {
   position: fixed;
-  z-index: $modal-add-structure-z-index;
+  z-index: $modal-z-index;
   top: 0;
   right: 0;
   bottom: 0;

src/app/shared/components/signin-modal/signin-modal.component.scss

@@ -5,7 +5,7 @@
 @import '../../../../assets/scss/hyperlink';
 .cModal {
   position: fixed;
-  z-index: $modal-authent-z-index;
+  z-index: $modal-z-index;
   top: 0;
   right: 0;
   bottom: 0;

src/app/shared/components/signup-modal/signup-modal.component.scss

@@ -5,7 +5,7 @@
 @import '../../../../assets/scss/hyperlink';
 .cModal {
   position: fixed;
-  z-index: $modal-authent-z-index;
+  z-index: $modal-z-index;
   top: 0;
   right: 0;
   bottom: 0;

src/app/structure-list/components/modal-filter/modal-filter.component.scss

@@ -22,7 +22,7 @@
 .modal {
   max-width: 754px;
   width: 94%;
-  z-index: $modal-filter-structure-z-index !important;
+  z-index: $modal-z-index !important;
   position: fixed;
   border-radius: 6px;
   margin-top: 3.5px;

src/assets/scss/_z-index.scss

-$structure-details-z-index: 1002;
-$modal-add-structure-z-index: 1002;
-$modal-filter-structure-z-index: 1002;
-$modal-menu-phone-z-index: 1002;
-$btn-phone-switch-map-list-z-index: 1001;
-$modal-authent-z-index: 1003;
+// Phone view
+$btn-phone-switch-map-list-z-index: 1002;
+$menu-phone-z-index: 1003;
+
+// Structure details
+$structure-details-z-index: 1001;
+
+// Modals (filters/confirmationPopup/authen/...)
+$modal-z-index: 1002;