feat: set row height to 84, exactly matching 3 lines for positive prompt

eliminate need for JS to resize positive prompt onUiLoaded

css/style.css

@@ -83,16 +83,12 @@ div:has(> #positive_prompt) {
     background: var(--background-fill-primary);
 }
 
-#positive_prompt textarea {
-    height: 80px;
-}
-
 .type_row {
-  height: 80px !important;
+  height: 84px !important;
 }
 
 .type_row_half {
-  height: 32px !important;
+  height: 34px !important;
 }
 
 .refresh_button {

javascript/viewer.js

@@ -55,7 +55,6 @@ window.addEventListener('resize', (e) => {
 
 onUiLoaded(async () => {
     resized();
-    setTimeout(() => document.querySelector("#positive_prompt textarea").style.height = "80px");
 });
 
 function on_style_selection_blur() {