fix(cuesheet): align lazy cell placeholder with its editor

Two regressions from the lazy text-cell placeholders:
- single-line placeholders centered their text in the full (possibly tall)
  cell, so the text jumped upward when the top-aligned editor mounted. Keep
  the glyph in a 2rem band at the top (scoped to editable cells via a
  `topAligned` prop so the time/duration delay indicator is unaffected).
- multi-line placeholders only grew to their content height, so a short note
  in a row made tall by another column was not fully clickable. Use
  `min-height: 100%` so the placeholder fills the cell (and still grows with
  content, no clipping).

Verified by measuring text/editor positions: single-line jump ~0px; all text
placeholders fill the cell and the whole area is clickable. Cuesheet e2e (4/4).

apps/client/src/views/cuesheet/cuesheet-table/cuesheet-table-elements/EditableCell.tsx

@@ -69,6 +69,7 @@ function EditableCell({ initialValue, multiline, fieldId, fieldLabel, handleUpda
         onClick={enterEdit}
         onFocus={enterEdit}
         multiline={multiline}
+        topAligned
         aria-label={fieldLabel ? `${fieldLabel} cell` : undefined}
       >
         {initialValue}

apps/client/src/views/cuesheet/cuesheet-table/cuesheet-table-elements/TextLikeInput.module.scss

@@ -35,9 +35,16 @@
     cursor: text;
   }
 
+  // single-line placeholder: keep the glyph in a 2rem band at the top of the cell so it lines up
+  // with the editor (which mounts top-aligned) and does not jump when the cell is taller than 2rem
+  &.topAligned:not(.multiline) {
+    align-items: flex-start;
+    line-height: 2rem;
+  }
+
   &.multiline {
     height: auto;
-    min-height: 2rem;
+    min-height: 100%; // fill the cell so the whole area is clickable (grows with content)
     text-wrap: wrap;
     white-space: break-spaces;
     overflow: hidden;

apps/client/src/views/cuesheet/cuesheet-table/cuesheet-table-elements/TextLikeInput.tsx

@@ -9,11 +9,22 @@ interface TextLikeInputProps extends HTMLAttributes<HTMLSpanElement> {
   muted?: boolean;
   disabled?: boolean;
   multiline?: boolean;
+  /** keep the content at the top of the cell (matches an editor that mounts top-aligned) */
+  topAligned?: boolean;
 }
 
 const TextLikeInput = forwardRef(
   (
-    { offset, muted, disabled, multiline, children, className, ...elementProps }: PropsWithChildren<TextLikeInputProps>,
+    {
+      offset,
+      muted,
+      disabled,
+      multiline,
+      topAligned,
+      children,
+      className,
+      ...elementProps
+    }: PropsWithChildren<TextLikeInputProps>,
     textRef,
   ) => {
     const ref = useRef<HTMLDivElement | null>(null);
@@ -23,6 +34,7 @@ const TextLikeInput = forwardRef(
       muted && style.muted,
       disabled && style.disabled,
       multiline && style.multiline,
+      topAligned && style.topAligned,
       className,
     ]);