Reserve full height for imagery segmented controls

src/ui/styles/recent-imagery.css

@@ -309,10 +309,10 @@ html:not([lang='en'])
   display: none;
 }
 
-/* 4. The selection bar: mode, then two rows that are always there. */
+/* 4. The selection bar: 24px mode buttons plus borders, then two stable rows. */
 .recent-imagery-readout .ri-selection {
   display: grid;
-  grid-template-rows: 20px 20px 20px;
+  grid-template-rows: 26px 20px 20px;
   row-gap: 4px;
   padding: 5px;
   border: 1px solid var(--weather-card-border);