[Frontend] Refinements to Inspector elements, search inputs

open #199
open #279
Treeview indent removed;
Significant refactoring of search classes to generalize
approach to search inputs;

platform/commonUI/general/res/templates/object-inspector.html

@@ -20,6 +20,7 @@
  at runtime from the About dialog for additional information.
 -->
 <div ng-init="editMode = true;"></div>
+
 <span class="l-inspect" ng-controller="ObjectInspectorController as controller">
     <div ng-controller="PaneController as modelPaneEdit">
         <mct-split-pane class='abs contents split-layout' anchor='bottom'>
@@ -69,7 +70,9 @@
             <div class="split-pane-component pane bottom" ng-show="editMode">
                 <div class="abs holder holder-elements l-flex-col">
                     <em class="flex-elem">Elements</em>
-                    <div class="filter flex-elem"><input type="text"></div>
+                    <mct-include key="'input-filter'"
+                                class="flex-elem">
+                    </mct-include>
                     <mct-representation
                             key="'edit-elements'"
                             mct-object="domainObject"