Fix MaD source for built-in XSS query (#325)

* Refactor UI5 dataflow imports and rename UI5DataFlow module

* Remove LocalModelStringPropertySource class

Removed LocalModelStringPropertySource class definition.

* fix review comments

* HTML.getContent as standard remote source

---------

Co-authored-by: Nathan Randall <70299490+data-douser@users.noreply.github.com>

Author: mbaluda

javascript/frameworks/ui5/ext/ui5.model.yml

@@ -115,7 +115,6 @@ extensions:
     data:
       - ["UI5InputControl", "Member[value]", "remote"]
       - ["UI5InputControl", "Member[getValue].ReturnValue", "remote"]
-      - ["UI5HTMLControl", "Member[getContent].ReturnValue", "remote"]
       - ["UI5CodeEditor", "Member[value]", "remote"]
       - ["UI5CodeEditor", "Member[getCurrentValue].ReturnValue", "remote"]
       - ["global", "Member[jQuery].Member[sap].Member[syncHead,syncGet,syncGetText,syncPost,syncPostText].ReturnValue", "remote"]

javascript/frameworks/ui5/test/queries/UI5Xss/xss-html-control-sanitized/UI5Xss.expected

@@ -18,5 +18,4 @@ edges
 #select
 | webapp/controller/app.controller.js:16:35:16:62 | oModel. ... input') | webapp/view/app.view.xml:5:5:7:28 | value={/input} | webapp/controller/app.controller.js:16:35:16:62 | oModel. ... input') | XSS vulnerability due to $@. | webapp/view/app.view.xml:5:5:7:28 | value={/input} | user-provided value |
 | webapp/controller/app.controller.js:19:36:19:63 | oModel. ... input') | webapp/view/app.view.xml:5:5:7:28 | value={/input} | webapp/controller/app.controller.js:19:36:19:63 | oModel. ... input') | XSS vulnerability due to $@. | webapp/view/app.view.xml:5:5:7:28 | value={/input} | user-provided value |
-| webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | XSS vulnerability due to $@. | webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | user-provided value |
 | webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | webapp/view/app.view.xml:5:5:7:28 | value={/input} | webapp/controller/app.controller.js:20:35:20:58 | unsanit ... ntent() | XSS vulnerability due to $@. | webapp/view/app.view.xml:5:5:7:28 | value={/input} | user-provided value |