Respect enable extenstions setting in Sources and QuickOpenModal (firefox-devtools#7705)

Author: konradk

src/actions/breakpoints/tests/__snapshots__/breakpoints.spec.js.snap

@@ -75,6 +75,7 @@ Array [
       "error": undefined,
       "id": "a",
       "isBlackBoxed": false,
+      "isExtension": false,
       "isPrettyPrinted": false,
       "isWasm": false,
       "loadedState": "loaded",
@@ -166,6 +167,7 @@ Array [
       "error": undefined,
       "id": "a",
       "isBlackBoxed": false,
+      "isExtension": false,
       "isPrettyPrinted": false,
       "isWasm": false,
       "loadedState": "loaded",

src/actions/sources/tests/__snapshots__/prettyPrint.spec.js.snap

@@ -7,6 +7,7 @@ Object {
   "id": "base.js/originalSource-36c718d4bde9a75edb388ff7733efe7f",
   "introductionUrl": null,
   "isBlackBoxed": false,
+  "isExtension": false,
   "isPrettyPrinted": true,
   "isWasm": false,
   "loadedState": "loaded",

src/components/PrimaryPanes/SourcesTreeItem.js

@@ -20,7 +20,8 @@ import actions from "../../actions";
 
 import {
   isOriginal as isOriginalSource,
-  getSourceQueryString
+  getSourceQueryString,
+  isUrlExtension
 } from "../../utils/source";
 import { isDirectory } from "../../utils/sources-tree";
 import { copyToTheClipboard } from "../../utils/clipboard";
@@ -65,7 +66,7 @@ class SourceTreeItem extends Component<Props, State> {
       return <AccessibleImage className="webpack" />;
     } else if (item.path === "ng://") {
       return <AccessibleImage className="angular" />;
-    } else if (item.path.startsWith("moz-extension://") && depth === 0) {
+    } else if (isUrlExtension(item.path) && depth === 0) {
       return <AccessibleImage className="extension" />;
     }
 

src/components/PrimaryPanes/tests/__snapshots__/SourcesTree.spec.js.snap

@@ -126,6 +126,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
               "error": undefined,
               "id": "server1.conn13.child1/41",
               "isBlackBoxed": false,
+              "isExtension": false,
               "isPrettyPrinted": false,
               "isWasm": false,
               "loadedState": "unloaded",
@@ -146,6 +147,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
                   "error": undefined,
                   "id": "server1.conn13.child1/42",
                   "isBlackBoxed": false,
+                  "isExtension": false,
                   "isPrettyPrinted": false,
                   "isWasm": false,
                   "loadedState": "unloaded",
@@ -164,6 +166,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
                   "error": undefined,
                   "id": "server1.conn13.child1/42/originalSource-sha",
                   "isBlackBoxed": false,
+                  "isExtension": false,
                   "isPrettyPrinted": false,
                   "isWasm": false,
                   "loadedState": "unloaded",
@@ -182,6 +185,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
                   "error": undefined,
                   "id": "server1.conn13.child1/39",
                   "isBlackBoxed": false,
+                  "isExtension": false,
                   "isPrettyPrinted": false,
                   "isWasm": false,
                   "loadedState": "unloaded",
@@ -200,6 +204,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
                   "error": undefined,
                   "id": "server1.conn13.child1/41",
                   "isBlackBoxed": false,
+                  "isExtension": false,
                   "isPrettyPrinted": false,
                   "isWasm": false,
                   "loadedState": "unloaded",
@@ -218,6 +223,7 @@ exports[`SourcesTree on receiving new props updates highlighted items updates hi
                   "error": undefined,
                   "id": "server1.conn13.child1/40",
                   "isBlackBoxed": false,
+                  "isExtension": false,
                   "isPrettyPrinted": false,
                   "isWasm": false,
                   "loadedState": "unloaded",