fix: Revert invalid change (#23644)

Author: Artur-

flow-server/src/main/java/com/vaadin/flow/signals/shared/SharedNumberSignal.java

@@ -121,13 +121,14 @@ public Double peekConfirmed() {
     }
 
     /**
-     * Gets the value of this signal as an integer without registering a
-     * dependency. Equivalent to {@code peek().intValue()}.
+     * Gets the value of this signal as an integer. This method works in the
+     * same way was {@link #get()} with regards to transactions and dependency
+     * tracking.
      *
      * @return the signal value as an integer
      */
     public int getAsInt() {
-        return peek().intValue();
+        return get().intValue();
     }
 
     /**

flow-server/src/test/java/com/vaadin/flow/signals/shared/SharedNumberSignalTest.java

@@ -71,8 +71,8 @@ void incrementBy_concurrentIncrements_allIncrementsConsidered() {
     @Test
     void getAsInt_decimalValue_valueIsTruncated() {
         SharedNumberSignal signal = new SharedNumberSignal(2.718);
-
-        assertEquals(2, signal.getAsInt());
+        assertEquals(2,
+                Signal.runInTransaction(() -> signal.getAsInt()).returnValue());
     }
 
     @Test