Fix up tests, warnings

Marlin/src/gcode/calibrate/M48.cpp

@@ -192,8 +192,8 @@ void GcodeSuite::M48() {
           // Choose the next position as an offset to chosen test position
           const xy_pos_t noz_pos = test_position - probe.offset_xy;
           xy_pos_t next_pos = {
-            noz_pos.x + cos(RADIANS(angle)) * radius,
-            noz_pos.y + sin(RADIANS(angle)) * radius
+            noz_pos.x + float(cos(RADIANS(angle))) * radius,
+            noz_pos.y + float(sin(RADIANS(angle))) * radius
           };
 
           #if ENABLED(DELTA)

Marlin/src/lcd/extui/ui_api.cpp

@@ -705,7 +705,7 @@ namespace ExtUI {
 
       #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
         // Make it so babystepping in Z adjusts the Z probe offset.
-        if (axis == Z && TERN1(HAS_MULTI_EXTRUDER, linked_nozzles || active_extruder == 0))
+        if (axis == Z && TERN1(HAS_MULTI_EXTRUDER, (linked_nozzles || active_extruder == 0)))
           probe.offset.z += mm;
       #endif