Update FE to Def M (#1235)

* Update to Def M

- update first column of meth page, formula intro, ID,AND, & remove THEN
- remove Low income box under download box
- update id as disadv. in each category
- modify AND clause in each category
- add dataset Higher ed enrollment
- update snapshots

* Fix HS and higher ed DOM id in links

* Update side panel description to def m

* Fix typo on AND part of the formula

* Update snapshots

* Update snapshot

* Resolve rebase error where Send feedback was removed

- add back send feedback button
- update snapshots

* Add back blue indicator boolean

client/src/components/DatasetContainer/tests/__snapshots__/datasetContainer.test.tsx.snap

@@ -49,7 +49,54 @@ exports[`rendering of the DatasetContainer checks if various text fields are vis
                   <span>
                     Used in: 
                   </span>
-                  All methodologies except for training and workforce development
+                  All categories except for training and workforce development
+                </li>
+                <li>
+                  <span>
+                    Responsible Party: 
+                  </span>
+                  Census
+                </li>
+                <li>
+                  <span>
+                    Source: 
+                  </span>
+                  <a
+                    class="usa-link usa-link--external"
+                    data-cy=""
+                    href="https://www.census.gov/programs-surveys/acs"
+                    rel="noreferrer"
+                    target="_blank"
+                  >
+                    American Community Survey
+                  </a>
+                   from 2015-2019
+                </li>
+                <li>
+                  <span>
+                    Available for: 
+                  </span>
+                  All U.S. states and the District of Columbia
+                </li>
+              </ul>
+            </div>
+            <div
+              id="high-ed-enroll-rate"
+            >
+              <h3>
+                Higher ed enrollment rate
+              </h3>
+              <div>
+                
+        Percent of people who are currently enrolled in college or graduate school.
+      
+              </div>
+              <ul>
+                <li>
+                  <span>
+                    Used in: 
+                  </span>
+                  All categories
                 </li>
                 <li>
                   <span>