RoosterJs 8.58.0 and RoosterJs Content Model 0.18.0

New feature

• Add font weight to FormatState (#2138)
• Allow apply image editing change when mouse up (#2133)

Improvement

• Remove some unnecessary code for Firefox and IE (#2145)

Bug fix

• Improve keyboard event handling for image selection (#2156)
• Remove max-height when paste image (#2158)

Content Model improvement

• Standalone editor preparations (#2136, #2137, #2139, #2144, #2149, #2151, #2152, #2153, #2155)
• Fix Table Cell Border not set after paste a table (#2154)
• Support changing table border (#2146, #2157)

Engineering improvement

• Enable eslint rule: prefer-const, no-var
• Update readme file (#2141, #2142)
• Dependencies version bump (#2134, #2148)
• Other minor fix (#2147)

Interface changes

• New member of interface StyleBasedFormatState and FormatState:
  • fontWeight: Font weight of current style
• New member of type TableCellMetadataFormat
  • borderOverride: Indicate current cell border has been changed by user's action
• New member of interface ImageEditOptions
  • applyChangesOnMouseUp: When pass true, image edit changes will be applied when mouse up. Otherwise it will only be applied when click away.