Revert "Ensure the source tree highlights the correct item, regardless of pretty or original print (#5455)" (#5507)

This reverts commit 4fc2923.

Author: darkwing

src/components/PrimaryPanes/SourcesTree.js

@@ -42,8 +42,6 @@ import {
   getExtension
 } from "../../utils/sources-tree";
 
-import { getRawSourceURL } from "../../utils/source";
-
 import { copyToTheClipboard } from "../../utils/clipboard";
 import { features } from "../../utils/prefs";
 
@@ -94,7 +92,13 @@ class SourcesTree extends Component<Props, State> {
   }
 
   componentWillReceiveProps(nextProps) {
-    const { projectRoot, debuggeeUrl, sources, shownSource } = this.props;
+    const {
+      projectRoot,
+      debuggeeUrl,
+      sources,
+      shownSource,
+      selectedSource
+    } = this.props;
 
     const { uncollapsedTree, sourceTree } = this.state;
 
@@ -123,16 +127,16 @@ class SourcesTree extends Component<Props, State> {
       return this.setState({ listItems });
     }
 
-    if (nextProps.selectedSource) {
-      const highlightUrl = nextProps.selectedSource.get("url");
+    if (
+      nextProps.selectedSource &&
+      nextProps.selectedSource != selectedSource
+    ) {
+      const highlightItems = getDirectories(
+        nextProps.selectedSource.get("url"),
+        sourceTree
+      );
 
-      if (highlightUrl) {
-        const highlightItems = getDirectories(
-          getRawSourceURL(highlightUrl),
-          sourceTree
-        );
-        return this.setState({ highlightItems });
-      }
+      return this.setState({ highlightItems });
     }
 
     // NOTE: do not run this every time a source is clicked,