Add d3-collection to libs for use in workbench multiline charts.

Change-Id: I947e2d0dafedcad927c3ae2f75f76517acb6b0b8
Reviewed-on: https://review.couchbase.org/c/ns_server/+/166073
Tested-by: Eben Haber <eben@couchbase.com>
Reviewed-by: Pavel Blagodov <stochmail@gmail.com>

priv/public/ui/index-dev.html

@@ -121,6 +121,7 @@
              "file-saver": "./web_modules/file-saver.js",
              "codemirror": "./web_modules/codemirror.js",
              "d3-array": "./web_modules/d3-array.js",
+             "d3-collection": "./web_modules/d3-collection.js",
              "d3-dsv": "./web_modules/d3-dsv.js",
              "d3-format": "./web_modules/d3-format.js",
              "d3-time": "./web_modules/d3-time.js",

priv/public/ui/package.json

@@ -29,11 +29,11 @@
     "angular-ui-bootstrap": "1.2.0",
     "angular-ui-tree": "2.22.6",
     "clipboard": "1.5.16",
-    "ngx-clipboard": "12.3.1",
     "codemirror": "5.56.0",
     "d3-array": "2.4.0",
     "d3-axis": "1.0.12",
     "d3-brush": "1.1.5",
+    "d3-collection": "1.0.7",
     "d3-dsv": "^2.0.0",
     "d3-format": "1.4.3",
     "d3-hierarchy": "1.1.9",
@@ -50,6 +50,7 @@
     "ipaddr.js": "2.0.1",
     "js-beautify": "1.10.3",
     "lodash": "3.3.0",
+    "ngx-clipboard": "12.3.1",
     "oclazyload": "1.1.0",
     "ramda": "0.26.1",
     "rxjs": "6.5.3",
@@ -77,6 +78,7 @@
       "file-saver",
       "codemirror",
       "d3-array",
+      "d3-collection",
       "d3-dsv",
       "d3-format",
       "d3-time",

priv/public/ui/web_modules/import-map.json

@@ -26,6 +26,7 @@
     "d3-array": "./d3-array.js",
     "d3-axis": "./d3-axis.js",
     "d3-brush": "./d3-brush.js",
+    "d3-collection": "./d3-collection.js",
     "d3-dsv": "./d3-dsv.js",
     "d3-format": "./d3-format.js",
     "d3-hierarchy": "./d3-hierarchy.js",