tools: fix statusbar background color with light theme

tools/level_editor/resources/theme/Adwaita/_common.scss

@@ -4867,7 +4867,6 @@ popover.emoji-completion .emoji:hover {
 }
 
 .statusbar {
-	background-color: rgb(76, 76, 76);
 	font-size: 10px;
 	min-height: 22px;
 	padding-left: 12px;

tools/level_editor/resources/theme/Adwaita/gtk-contained-dark.css

@@ -1960,7 +1960,7 @@ popover.emoji-completion .emoji:hover { background: #424242; }
 
 .console-view textview, .console-view entry { font: 12px "Monospace"; }
 
-.statusbar { background-color: #4c4c4c; font-size: 10px; min-height: 22px; padding-left: 12px; }
+.statusbar { font-size: 10px; min-height: 22px; padding-left: 12px; }
 
 .axis { min-width: 22px; font-weight: bold; border-radius: 4px 0px 0px 4px; }
 

tools/level_editor/resources/theme/Adwaita/gtk-contained.css

@@ -1976,7 +1976,7 @@ popover.emoji-completion .emoji:hover { background: white; }
 
 .console-view textview, .console-view entry { font: 12px "Monospace"; }
 
-.statusbar { background-color: #4c4c4c; font-size: 10px; min-height: 22px; padding-left: 12px; }
+.statusbar { font-size: 10px; min-height: 22px; padding-left: 12px; }
 
 .axis { min-width: 22px; font-weight: bold; border-radius: 4px 0px 0px 4px; }