Fb mini refactor

[iamcharankumar]

• Removed unwanted Page variable from Screenshot Strategy pattern.
• Implemented thread-safe singleton for Screenshot Utils to use the screenshot methods and behaviors.
• Refactored other classes and improved maintainability and readability.

[codecov]

Codecov Report

❌ Patch coverage is 80.00000% with 10 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...aglabs/portal/qa/browsermanager/WebkitBrowser.java	0.00%	4 Missing ⚠️
...aglabs/portal/qa/exceptions/WebUtilsException.java	0.00%	2 Missing ⚠️
.../io/swaglabs/portal/qa/utils/ScreenshotsUtils.java	84.61%	0 Missing and 2 partials ⚠️
...glabs/portal/qa/browsermanager/BrowserFactory.java	0.00%	0 Missing and 1 partial ⚠️
...a/io/swaglabs/portal/qa/utils/PropertiesUtils.java	0.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...glabs/portal/qa/browsermanager/BrowserManager.java	100.00% <100.00%> (ø)	3.00 <1.00> (ø)
...swaglabs/portal/qa/browsermanager/BrowserName.java	100.00% <100.00%> (ø)	5.00 <0.00> (ø)
...aglabs/portal/qa/browsermanager/ChromeBrowser.java	100.00% <100.00%> (ø)	2.00 <1.00> (ø)
...glabs/portal/qa/browsermanager/FirefoxBrowser.java	100.00% <100.00%> (ø)	2.00 <1.00> (ø)
...aglabs/portal/qa/browsermanager/MsEdgeBrowser.java	100.00% <100.00%> (ø)	2.00 <1.00> (ø)
...ava/io/swaglabs/portal/qa/commons/WebBasePage.java	73.68% <ø> (-4.58%)	7.00 <0.00> (-2.00)
...aglabs/portal/qa/constants/WebPortalConstants.java	100.00% <100.00%> (ø)	1.00 <0.00> (ø)
.../swaglabs/portal/qa/pages/SwagLabsProductPage.java	100.00% <100.00%> (ø)	6.00 <0.00> (ø)
.../screenshotsmanager/ElementScreenshotStrategy.java	100.00% <100.00%> (ø)	2.00 <2.00> (ø)
...screenshotsmanager/FullPageScreenshotStrategy.java	100.00% <100.00%> (ø)	2.00 <2.00> (ø)
... and 6 more

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