Return to using Fira Code as the default monospace font (#31302)

* Return to using Fira Code as the default monospace font.

because Inconsolata lacks Box Drawings and Geometric Shapes glyphs.
Fixes https://github.com/element-hq/element-web/issues/31289
Partially reverts https://github.com/matrix-org/matrix-react-sdk/pull/3008

* fix quotes

* fix tests

* fix quotes

* appease prettier

* fix snapshot tests, hopefully

* more snapshots

res/css/views/settings/encryption/_ChangeRecoveryKey.pcss

@@ -45,7 +45,7 @@
             color: var(--cpd-color-text-secondary);
 
             .mx_KeyPanel_key {
-                font-family: Inconsolata, monospace;
+                font-family: "Fira Code", monospace;
                 /*
                  * From figma https://www.figma.com/design/qTWRfItpO3RdCjnTKPu4mL/Settings?node-id=375-77471&t=t7lozYrSI1AVZZ3U-4
                  */

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

@@ -15,7 +15,7 @@ $font-family:
     "Noto Color Emoji";
 
 $monospace-font-family:
-    "Inconsolata", var(--emoji-font-family), "Apple Color Emoji", "Segoe UI Emoji", "Courier", monospace,
+    "Fira Code", var(--emoji-font-family), "Apple Color Emoji", "Segoe UI Emoji", "Courier", monospace,
     "Noto Color Emoji";
 
 /* unified palette */

res/themes/light/css/_light.pcss

@@ -15,7 +15,7 @@ $font-family:
     "Noto Color Emoji";
 
 $monospace-font-family:
-    "Inconsolata", var(--emoji-font-family), "Apple Color Emoji", "Segoe UI Emoji", "Courier", monospace,
+    "Fira Code", var(--emoji-font-family), "Apple Color Emoji", "Segoe UI Emoji", "Courier", monospace,
     "Noto Color Emoji";
 
 /* Colors from Figma Compound https://www.figma.com/file/X4XTH9iS2KGJ2wFKDqkyed/Compound?node-id=559%3A120 */