feat: resize canvases to fit window height

Closes #16

The canvases fit their parents size, so adding a wrapper with 100vh
solved it. https://threlte.xyz/docs/reference/core/canvas#size

app/src/lib/graph-interface/graph/Graph.svelte

@@ -105,6 +105,7 @@
   onwheel={(ev) => mouseEvents.handleMouseScroll(ev)}
   bind:this={graphState.wrapper}
   class="graph-wrapper"
+  style="height: 100vh;"
   class:is-panning={graphState.isPanning}
   class:is-hovering={graphState.hoveredNodeId !== -1}
   aria-label="Graph"

app/src/lib/result-viewer/Viewer.svelte

@@ -95,7 +95,8 @@
   <SmallPerformanceViewer {fps} store={perf} />
 {/if}
 
-<Canvas>
+<div style="height: 100vh">
+  <Canvas>
     <Scene
       bind:this={sceneComponent}
       {lines}
@@ -103,4 +104,5 @@
       bind:scene
       bind:fps
     />
-</Canvas>
+  </Canvas>
+</div>