Deduplicate more icons using Compound Design Tokens (#132)

* Deduplicate more icons using Compound Design Tokens

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
(cherry picked from commit 7448bd52e2ff354917d6e5f769ca052961c13aa0)

res/themes/legacy-light/css/_legacy-light.pcss

@@ -239,7 +239,7 @@ $event-highlight-bg-color: $yellow-background;
 /* event timestamp */
 $event-timestamp-color: #acacac;
 
-$copy-button-url: "$(res)/img/element-icons/copy.svg";
+$copy-button-url: "@vector-im/compound-design-tokens/icons/copy.svg";
 
 /* e2e */
 $e2e-verified-color: #0dbd8b;

res/themes/light/css/_light.pcss

@@ -345,7 +345,7 @@ $focus-brightness: 105%;
 
 /* Icon URLs */
 /* ******************** */
-$copy-button-url: "$(res)/img/element-icons/copy.svg";
+$copy-button-url: "@vector-im/compound-design-tokens/icons/copy.svg";
 /* ******************** */
 
 /* Location sharing */