themes: update proton-carbon theme (#49)

* update proton-monokai theme

Darker color for text selection in the editor.

* Revert "update proton-monokai theme"

This reverts commit 9a162f4.

* update proton-monokai theme

Used darker color for text selection in editor

* update proton-carbon theme

Used darker color for text selection in editor

themes/proton-carbon/v1/theme.json

@@ -2,7 +2,7 @@
   "$schema": "https://raw.githubusercontent.com/streetwriters/notesnook-themes/main/schemas/v1.schema.json",
   "name": "Proton Carbon",
   "id": "proton-carbon",
-  "version": 3.1,
+  "version": 3.2,
   "license": "GPL-3.0-or-later",
   "homepage": "https://notesnook.com",
   "description": "A dark theme inspired by Proton Mail's Carbon theme.",
@@ -97,7 +97,7 @@
     },
     "editor": {
       "selected": {
-        "background": "#7C5CFF"
+        "background": "#4B3994"
       }
     },
     "navigationMenu": {