Fix static analysis failures

src/freedombone-app-cryptpad

@@ -339,6 +339,7 @@ function cryptpad_create_config {
 }
 
 function mesh_install_cryptpad {
+    # shellcheck disable=SC2153
     if [[ "$VARIANT" != "meshclient" && "$VARIANT" != "meshusb" ]]; then
         return
     fi

src/freedombone-app-peertube

@@ -618,6 +618,7 @@ function peertube_create_config {
 }
 
 function mesh_install_peertube {
+    # shellcheck disable=SC2153
     if [[ "$VARIANT" != "meshclient" && "$VARIANT" != "meshusb" ]]; then
         return
     fi

src/freedombone-app-pelican

@@ -756,6 +756,7 @@ function pelican_themes {
 }
 
 function mesh_install_pelican {
+    # shellcheck disable=SC2153
     if [[ "$VARIANT" != "meshclient" && "$VARIANT" != "meshusb" && "$VARIANT" != "usb" ]]; then
         return
     fi