fix: auto-size pro upgrade dialog info panel to fit translations

Author: devvaannsh

src/styles/phoenix-pro.less

@@ -229,10 +229,10 @@
     transform: scale(1.25);
   }
 
-  /* ---- Info panel below the stage ---- */
   .feature-info {
     position: relative;
-    height: 70px;
+    display: grid;
+    grid-template-areas: "stack";
     background: @bc-panel-bg-alt;
     border-top: 1px solid @bc-panel-border;
     overflow: hidden;
@@ -245,8 +245,10 @@
   /* Mirror the .feature-slide transform/cross-fade so the text below the
      video animates in the same direction as the video stage. */
   .feature-info-slide {
-    position: absolute;
-    inset: 0;
+    grid-area: stack;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
     padding: 10px 28px;
     opacity: 0;
     pointer-events: none;