Port MaskedTextBoxTextEditor and MaskPropertyEditor

[M-Lipin]

Fixes #2285
Fixes #2286

Proposed changes

• Adding MaskTextBoxTextEditor, MaskPropertyEditor and related entitity definitions to System.Windows.Forms.Design project.
• Adding required resources.
• Updating System.Design façade to allow using ported editors.

Customer Impact

• Users will be able to use MaskTextBoxTextEditor with MaskedTextBox control and MaskPropertyEditor with Mask property of the MaskTextBox.

Regression?

• Yes

Risk

• Minimal

Screenshots

Before

Only simple text edit is available.

After

Test methodology

• Manual testing;
• Unit tests (to be implemented);
• UI automation tests.

Accessibility testing

Test environment(s)

Runtime Environment:
OS Name: Windows
OS Version: 10.0.18363
OS Platform: Windows
RID: win10-x64

.NET Core SDKs installed:
3.1.100-preview3-014642 [C:\Program Files\dotnet\sdk]

Microsoft Reviewers: Open in CodeFlow

[codecov]

Codecov Report

Merging #2297 into release/3.1-uitypeeditors will decrease coverage by 0.23882%.
The diff coverage is 0%.

@@                         Coverage Diff                         @@
##           release/3.1-uitypeeditors       #2297         +/-   ##
===================================================================
- Coverage                   26.35623%   26.11741%   -0.23882%     
===================================================================
  Files                            825         836         +11     
  Lines                         270972      272305       +1333     
  Branches                       38365       38457         +92     
===================================================================
- Hits                           71418       71119        -299     
- Misses                        194475      196109       +1634     
+ Partials                        5079        5077          -2

Flag	Coverage Δ
#Debug	26.11741% <0%> (-0.23883%)	⬇️
#production	26.11741% <0%> (-0.23883%)	⬇️
#test	100% <ø> (ø)	⬆️