docs: Mission Status and more (#7521)

* chore: update tsconfig to target modern ES

* docs: update UserProvider

* docs: update UserAPI, make openmct private

* docs: update StatusAPI

* refactor: convert ViewRegistry to ES6 class

* docs: finish type imports for openmct api

* docs: minor doc improvements

* docs: add UserIndicator readme

* docs: add User API section to API docs

* docs: document Mission Status

* docs(JSDoc): primitive types should be lowercase, otherwise TitleCase

src/plugins/displayLayout/LayoutDrag.js

@@ -39,7 +39,7 @@
  * with the mouse while the horizontal dimensions shrink in
  * kind (and vertical properties remain unmodified.)
  *
- * @param {object} rawPosition the initial position/dimensions
+ * @param {Object} rawPosition the initial position/dimensions
  *                 of the frame being interacted with
  * @param {number[]} posFactor the position factor
  * @param {number[]} dimFactor the dimensions factor