Fix SpotBugs EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS warnings (#4355)

Fixed logic in URL.equals and Result.equals to compare correct types.
Removed incompatible type check in PropertyIndex.equals.
Updated generate-quality-report.py to fail on this violation.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

Author: google-labs-jules[bot]

.github/scripts/generate-quality-report.py

@@ -762,7 +762,8 @@ def main() -> None:
             "RCN_REDUNDANT_NULLCHECK_OF_NULL_VALUE",
             "UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR",
             "SF_SWITCH_NO_DEFAULT",
-            "DM_DEFAULT_ENCODING"
+            "DM_DEFAULT_ENCODING",
+            "EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS"
         }
         violations = [
             f for f in spotbugs.findings

CodenameOne/src/com/codename1/io/URL.java

@@ -101,7 +101,7 @@ public java.lang.String getFile() {
     }
 
     public boolean equals(java.lang.Object o) {
-        return o instanceof URL && ((URL) o).u.equals(o);
+        return o instanceof URL && u.equals(((URL) o).u);
     }
 
     public synchronized int hashCode() {

CodenameOne/src/com/codename1/processing/Result.java

@@ -311,7 +311,10 @@ public int hashCode() {
      * @see Object#equals(Object)
      */
     public boolean equals(final Object other) {
-        return root.equals(other);
+        if (other instanceof Result) {
+            return root.equals(((Result) other).root);
+        }
+        return false;
     }
 
     /**

CodenameOne/src/com/codename1/properties/PropertyIndex.java

@@ -838,9 +838,6 @@ public boolean equals(Object o) {
                 return true;
             }
         }
-        if (o instanceof PropertyBusinessObject) {
-            return equals(((PropertyBusinessObject) o).getPropertyIndex());
-        }
         return false;
     }