reorganize packages, start converting overall app to react (very broken at the moment)

Packages/ohif-viewerbase/client/components/selectTree/selectTreeCommon/selectTreeCommon.html

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+<template name="selectTreeCommon">
+    <div class="select-tree-common">
+        <div class="content">
+            <h5 class="title">Common</h5>
+            <div class="labels">
+                {{#each item in items}}
+                    <label for="{{this.storageKey}}_{{encodeId item.value}}">{{item.label}}</label>
+                {{/each}}
+            </div>
+        </div>
+    </div>
+</template>

Packages/ohif-viewerbase/client/components/selectTree/selectTreeCommon/selectTreeCommon.js

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+import { Meteor } from 'meteor/meteor';
+import { Template } from 'meteor/templating';
+import { Tracker } from 'meteor/tracker';
+
+Template.selectTreeCommon.events({
+    'click .select-tree-common label'(event, instance) {
+        event.preventDefault();
+
+        // Get the clicked label
+        const $target = $(event.currentTarget);
+
+        // Store the offset position for further use
+        $target.data('offset', $target.offset());
+
+        // Build the input selector based on the label target
+        const inputSelector = '#' + $target.attr('for');
+
+        // Get the tree instance
+        const treeInstance = instance.data.treeInstance;
+
+        // Check if the input is not rendered
+        if (!$(inputSelector).length) {
+            // Change the search terms with the clicked label string
+
+            treeInstance.$('.tree-search input').val($target.text()).trigger('input');
+            // Wait for options rerendering
+
+            Tracker.afterFlush(() => {
+                const $treeRoot = treeInstance.$('.select-tree-root:first').first();
+                $treeRoot.addClass('common-clicked');
+
+                // Wait for components initialization
+                Meteor.defer(() => $(inputSelector).click());
+            });
+        }
+    }
+});
+
+Template.selectTreeCommon.helpers({
+    // Get the common items
+    items() {
+        return Template.instance().data.treeInstance.getCommonItems();
+    }
+});