Use strict comparison for filter count validation

[Copilot]

Addresses code review feedback to use strict comparison (!==) instead of loose comparison (!=) when validating filter counts in HandleGlobalFilters middleware.

Change:

• src/Http/Middleware/HandleGlobalFilters.php line 21: != → !==

// Before
if ($this->globalFiltersHandler->isEnabled()
    && count($filterKeys) != count($this->globalFiltersHandler->getFilters())
) {

// After
if ($this->globalFiltersHandler->isEnabled()
    && count($filterKeys) !== count($this->globalFiltersHandler->getFilters())
) {

Both count() calls return integers, so behavior is unchanged. Strict comparison provides explicit type safety.

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