refactor(platform-browser): modernize/combine shared style host eleme…

…nt management

The `SharedStylesHost` has been refactored to remove redundant code between the
`style` and `link` element execution paths. The existing `style` code has also
been adjusted to use modern syntax where possible and also improve the overall
logic.

goldens/size-tracking/integration-payloads.json

@@ -41,13 +41,13 @@
   },
   "standalone-bootstrap": {
     "uncompressed": {
-      "main": 94681,
+      "main": 89354,
       "polyfills": 33802
     }
   },
   "defer": {
     "uncompressed": {
-      "main": 13449,
+      "main": 12148,
       "polyfills": 33807,
       "defer.component": 371
     }

packages/core/test/bundling/animations-standalone/bundle.golden_symbols.json

@@ -1346,6 +1346,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeClass"
   },

packages/core/test/bundling/animations/bundle.golden_symbols.json

@@ -1421,6 +1421,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeClass"
   },

packages/core/test/bundling/cyclic_import/bundle.golden_symbols.json

@@ -1148,6 +1148,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/defer/bundle.golden_symbols.json

@@ -2381,6 +2381,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/forms_reactive/bundle.golden_symbols.json

@@ -1715,6 +1715,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/forms_template_driven/bundle.golden_symbols.json

@@ -1682,6 +1682,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/hydration/bundle.golden_symbols.json

@@ -1259,6 +1259,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeDehydratedView"
   },

packages/core/test/bundling/router/bundle.golden_symbols.json

@@ -1955,6 +1955,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/standalone_bootstrap/bundle.golden_symbols.json

@@ -1010,6 +1010,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },

packages/core/test/bundling/todo/bundle.golden_symbols.json

@@ -1364,6 +1364,9 @@
   {
     "name": "remove"
   },
+  {
+    "name": "removeAll"
+  },
   {
     "name": "removeFromArray"
   },