LT-275: Creating final measure flow using selectTree component

Packages/lesiontracker/client/components/measureFlow/measureFlow.html

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+<template name="measureFlow">
+    <div class="measure-flow">
+        <button>Add label</button>
+        {{>selectTree
+            key='label'
+            items=instance.items
+            label='Assign label'
+            searchPlaceholder='Search labels'
+            storageKey='measureLabelCommon'
+        }}
+    </div>
+</template>

Packages/lesiontracker/client/components/measureFlow/measureFlow.js

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+Template.measureFlow.onCreated(() => {
+    const instance = Template.instance();
+
+    const items = [
+        'Adrenal',
+        'Bladder',
+        'Bone',
+        'Brain',
+        'Breast',
+        'Colon',
+        'Esophagus',
+        'Extremities',
+        'Gallbladder',
+        'Kidney',
+        'Liver',
+        'Lung',
+        'Lymph Node',
+        'Muscle',
+        'Neck',
+        'Other: Soft Tissue',
+        'Ovary',
+        'Pancreas',
+        'Pelvis',
+        'Peritoneum/Omentum',
+        'Prostate',
+        'Retroperitoneum',
+        'Small Bowel',
+        'Spleen',
+        'Stomach',
+        'Subcutaneous'
+    ];
+
+    instance.items = [];
+    _.each(items, item => {
+        instance.items.push({
+            label: item,
+            value: item
+        });
+    });
+});
+
+Template.measureFlow.events({
+    'click .tree-leaf input'(event, instance) {
+        console.warn('>>>>event', event);
+        const $label = $(event.currentTarget).closest('label');
+        const $container = $label.closest('.select-tree-root').find('.tree-options:first');
+        const top = $label.position().top;
+        $container.scrollTop(top);
+    }
+});

Packages/lesiontracker/client/components/measureFlow/measureFlow.styl

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+.measure-flow
+
+  .select-tree-root>.tree-content>.tree-options
+    margin-right: -20px
+    max-height: 250px
+    overflow-x: hidden
+    overflow-y: scroll
+    position: relative
+    z-index: 2
+
+    .tree-inputs
+      position: relative