fix: prevent prompt scrolling propagation (#6698)

* fix: prevent scrolling propagation

* fix: added overflow to body when prompt is open

* fix: moved prompt style fix from component to global style

* fix: removed unnecessary has clause for prompt

Author: antoniosarro

src/renderer/themes.css

@@ -29,7 +29,6 @@ body {
   --logo-tertiary-color: var(--primary-text-color);
 }
 
-
 /*************** RULE TWEAKS ***************/
 
 /* Default sidenav hover text color and primary input color not needed to be changed for most themes */
@@ -1989,3 +1988,9 @@ a:visited {
 ::-webkit-scrollbar-thumb:focus {
   background: var(--scrollbar-color-hover);
 }
+
+/***** REMOVE MAIN SCROLLBAR WHEN PROMPT IS OPEN ******/
+
+body:has(.prompt) {
+  overflow: hidden;
+}