Add Camera Focus Mode (#2180)

## Description
 
Camera focus tool pipeline using a Laplacian and finding the variance.
Similar to Limelight.


closes #1597 

## Meta

Merge checklist:
- [x] Pull Request title is [short, imperative
summary](https://cbea.ms/git-commit/) of proposed changes
- [x] The description documents the _what_ and _why_
- [x] This PR has been
[linted](https://docs.photonvision.org/en/latest/docs/contributing/linting.html).
- [x] If this PR changes behavior or adds a feature, user documentation
is updated
- [ ] If this PR touches photon-serde, all messages have been
regenerated and hashes have not changed unexpectedly
- [ ] If this PR touches configuration, this is backwards compatible
with settings back to v2025.3.2
- [x] If this PR touches pipeline settings or anything related to data
exchange, the frontend typing is updated
- [ ] If this PR addresses a bug, a regression test for it is added

photon-client/src/views/CameraSettingsView.vue

@@ -12,8 +12,13 @@ const cameraViewType = computed<number[]>({
     // Only show the input stream in Color Picking Mode
     if (useStateStore().colorPickingMode) return [0];
 
-    // Only show the output stream in Driver Mode or Calibration Mode
-    if (useCameraSettingsStore().isDriverMode || useCameraSettingsStore().isCalibrationMode) return [1];
+    // Only show the output stream in Driver Mode or Calibration Mode or Focus Mode
+    if (
+      useCameraSettingsStore().isDriverMode ||
+      useCameraSettingsStore().isCalibrationMode ||
+      useCameraSettingsStore().isFocusMode
+    )
+      return [1];
 
     const ret: number[] = [];
     if (useCameraSettingsStore().currentPipelineSettings.inputShouldShow) {

photon-client/src/views/DashboardView.vue

@@ -17,8 +17,13 @@ const cameraViewType = computed<number[]>({
     // Only show the input stream in Color Picking Mode
     if (useStateStore().colorPickingMode) return [0];
 
-    // Only show the output stream in Driver Mode or Calibration Mode
-    if (useCameraSettingsStore().isDriverMode || useCameraSettingsStore().isCalibrationMode) return [1];
+    // Only show the output stream in Driver Mode or Calibration Mode or Focus Mode
+    if (
+      useCameraSettingsStore().isDriverMode ||
+      useCameraSettingsStore().isCalibrationMode ||
+      useCameraSettingsStore().isFocusMode
+    )
+      return [1];
 
     const ret: number[] = [];
     if (useCameraSettingsStore().currentPipelineSettings.inputShouldShow) {