Code cleanup (#2439)

* Use new Lock objects

* Fix CA1513: Use ObjectDisposedException.ThrowIf

* Fix CA1860: Avoid using 'Enumerable.Any()' extension method

* Fix IDE0028: Use collection initializers or expressions

* Fix CA2263: Prefer generic overload when type is known

* Fix CA1862: Use the 'StringComparison' method overloads to perform case-insensitive string comparisons

* Fix IDE0270: Null check can be simplified

* Fix IDE0280: Use 'nameof'

* Fix IDE0009: Add '.this'

* Fix IDE0007: Use 'var' instead of explicit type

* Fix IDE0062: Make local function static

* Fix CA1859: Use concrete types when possible for improved performance

* Fix IDE0066: Use switch expression

Only applied to where it doesn't look horrendous.

* Use is over switch

* Fix CA1847: Use String.Contains(char) instead of String.Contains(string) with single characters

* Fix SYSLIB1045: Use 'GeneratedRegexAttribute' to generate the regular expression implementation at compile-time.

* Fix CA1866: Use 'string.EndsWith(char)' instead of 'string.EndsWith(string)' when you have a string with a single char

* Fix IDE0057: Substring can be simplified

* Fix IDE0059: Remove unnecessary value assignment

* Fix CA1510: Use ArgumentNullException throw helper

* Fix IDE0300: Use collection expression for array

* Fix IDE0250: Struct can be made 'readonly'

* Fix IDE0018: Inline variable declaration

* Fix CA1850: Prefer static HashData method over ComputeHash

* Fi CA1872: Prefer 'Convert.ToHexString' and 'Convert.ToHexStringLower' over call chains based on 'BitConverter.ToString'

* Update ModuleLog instantiations

* Organize usings

Dalamud/Interface/Internal/Windows/Data/Widgets/FontAwesomeTestWidget.cs

@@ -27,7 +27,7 @@ internal class FontAwesomeTestWidget : IDataWindowWidget
     private bool useFixedWidth = false;
 
     /// <inheritdoc/>
-    public string[]? CommandShortcuts { get; init; } = { "fa", "fatest", "fontawesome" };
+    public string[]? CommandShortcuts { get; init; } = ["fa", "fatest", "fontawesome"];
 
     /// <inheritdoc/>
     public string DisplayName { get; init; } = "Font Awesome Test";