refactor: Update color codes to use full hex values and remove unused functions in simulation dashboard

app/src/styles/components/simulationDashboard/_simulationDashBoard.scss

@@ -4,7 +4,7 @@
     max-height: 100vh;
     width: 100vw;
     overflow: hidden;
-    color: #fff;
+    color: #ffffff;
     z-index: 2;
     background: transparent;
     position: absolute;
@@ -236,7 +236,7 @@
         padding: 20px;
         z-index: 1000;
         border-radius: 12px;
-        color: #fff;
+        color: #ffffff;
         box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
 
         h4 {
@@ -295,7 +295,7 @@
             width: 100%;
             padding: 8px;
             background-color: rgba(85, 85, 85, 0.6);
-            color: #fff;
+            color: #ffffff;
             border: 1px solid rgba(255, 255, 255, 0.2);
             border-radius: 6px;
             font-family: inherit;
@@ -342,7 +342,7 @@
         padding: 20px;
         border-radius: 12px;
         z-index: 2000;
-        color: #fff;
+        color: #ffffff;
         text-align: center;
         box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
 
@@ -379,7 +379,7 @@
             font-weight: bold;
             margin-bottom: 8px;
             text-align: center;
-            color: #fff;
+            color: #ffffff;
         }
 
         .chart-content {